D
- defile verb (defile, defiles, defiled, defiling); noun (defile, defiles)
A defile is a narrow path or valley between high rocks or hills, where only a few can pass at a time. - define verb (define, defines, defined, defining)
To say exactly what a word or idea means: «Can you define 'habitat'?». - defined adjective (defined, well-defined); past form of verb define (define, defines, defined, defining)
Clear and easy to see or understand (a clearly defined edge). - defining adjective (defining); also the -ing form of the verb define (define, defines, defined, defining)
Most important in showing what someone or something is really like: «a defining moment». - definite adjective (definite, more definite)
Definite means clear, sure and fixed, with no doubt. - definitely adverb (definitely)
1) Definitely means certainly, without any doubt. 2) Definitely can be used as a strong «yes»: «Are you coming?» — «Definitely!» - definition noun (a definition, definitions; definition, uncountable)
1) A statement of what a word or idea means. 2) How clear a picture or sound is (high definition, HD). 3) Clear shape or outline (muscle… - definitive adjective (definitive; more definitive)
Final and settled, so that nobody can argue with or change it: «a definitive answer». - deflation noun (deflation; uncountable)
Letting the air or gas out of something, so it gets smaller and softer: «the deflation of a tyre». - deflect verb (deflect, deflects, deflected, deflecting)
To deflect something means to make it change direction, especially by hitting it, like a ball bouncing off a player. - deflection noun (a deflection, deflections; also uncountable)
A change in direction when something bounces off or is pushed sideways: «The ball went in off a deflection». - deforestation noun (deforestation — uncountable)
1) Deforestation is the cutting down or burning of large areas of forest, so the trees are gone and the land is used for something else. - deform verb (deform, deforms, deformed, deforming)
To change the normal shape of something, often by bending, squashing or stretching it: «Heat deformed the plastic». - deformation noun (deformation, a deformation)
Deformation is a change in the shape of something, for example when it is bent, squashed or stretched. - deformed adjective (deformed); verb form (deform, deforms, deformed, deforming)
Deformed means having a shape that has been changed or twisted, so it is not the usual or proper shape. - deformity noun (a deformity, deformities)
1) A deformity is a part of the body that has an unusual or twisted shape, from birth or after illness or injury. - defraud verb (defraud, defrauds, defrauded, defrauding)
1) (law) To trick someone out of money, property or rights by lying or cheating: «He defrauded old people of their savings». - defray verb (defray, defrays, defrayed, defraying)
1) (formal) To pay some or all of the cost of something: «to defray the costs». - defrost verb (defrost, defrosts, defrosted, defrosting)
To let frozen food become unfrozen before cooking or eating: «Defrost the chicken in the fridge». - defy verb (defy, defies, defied, defying)
To defy someone is to refuse openly to obey them. - degenerate verb (degenerate, degenerates, degenerated, degenerating); adjective (degenerate)
To degenerate is to get worse, falling from a good state into a worse one. - degrade verb (degrade, degrades, degraded, degrading)
To make something worse in quality or condition: pollution degrades the soil. - degree noun (degree, degrees)
A degree is a unit for measuring how hot or cold something is. - dehydrated adjective (dehydrated; more dehydrated); also the past form of dehydrate (dehydrate, dehydrates, dehydrated, dehydrating)
Having lost too much water from the body, so you feel thirsty, tired, dizzy or have a headache. - dehydration noun (dehydration — uncountable)
Dehydration is when your body does not have enough water, which can make you thirsty, tired, dizzy and give you a headache. - deign verb (deigns, deigned, deigning)
To deign is to agree to do something that you think is beneath your dignity; a grand person may deign to do a small thing (old use). - deinonychus noun (a deinonychus, deinonychuses; often written Deinonychus as the name of the animal)
1) A meat-eating dinosaur about 3 metres long that ran on two legs and had a large curved claw on each foot. The name means «terrible claw». - deity noun (a deity, deities)
1) A deity is a god or goddess. - dejected adjective (dejected, more dejected, most dejected)
1) Sad and without hope, often after a failure or a disappointment; low in spirits. - dejection noun (no plural)
Dejection is a feeling of sadness and low spirits, with no hope or energy. - delay noun (a delay, delays); verb (delay, delays, delayed, delaying)
A delay is a time when something happens later than planned. - delectable adjective (more delectable, most delectable)
Delectable means very pleasing, especially to the taste or the eye. - delegate noun (a delegate, delegates — pronounced DEL-i-gut); verb (delegate, delegates, delegated, delegating — pronounced DEL-i-gate)
A person chosen to speak, vote or act for a group, especially at a meeting or conference. - delete verb (delete, deletes, deleted, deleting)
To delete means to take away or wipe out something, like a photo, a file or a word. - deletion noun (deletion, deletions)
The act of removing something, such as words from a text or a file from a computer. - deliberate adjective (deliberate); verb (deliberate, deliberates, deliberated, deliberating)
Something deliberate is done on purpose, not by accident. - deliberately adverb (deliberately); adjective deliberate
1) On purpose; meaning to do it, not by accident. 2) Slowly and carefully (He spoke deliberately). - deliberation noun (deliberation, deliberations)
Deliberation is careful and long thinking or talking about something before deciding. - delicacy noun (a delicacy, delicacies)
A delicacy is a special, unusual or expensive food that people think is very tasty. - delicate adjective (delicate, more delicate, most delicate)
Delicate means easily broken or damaged, so it needs gentle care. - delicately adverb (delicately; more delicately)
Gently and carefully, so as not to break or hurt something: «She held the eggshell delicately». - delicious adjective (delicious; usually not compared — something is just «delicious» or «absolutely delicious»)
Delicious means tasting or smelling very good. - deliciously adverb
In a very pleasant way, especially to the taste or the smell, or in a way that gives great enjoyment. - delight noun (delight, delights); verb (delight, delights, delighted, delighting)
Delight is a feeling of great happiness and pleasure. - delighted adjective (delighted; very delighted is rare — use «absolutely delighted»); also the past form of delight (delight, delights, delighted, delighting)
1) Very pleased and happy. 2) (verb, past) Gave great pleasure to someone: «The show delighted the children.» 3) (formal, polite) Very… - delightful adjective (more delightful, most delightful)
Delightful means giving great joy or pleasure; very nice. - delightfully adverb
In a way that gives great pleasure or joy. - delineated adjective (delineated); verb form (past of delineate: delineated)
Described or explained clearly and in detail: «The rules are clearly delineated in the handbook». - delineation noun (plural delineations)
1) (formal, old use) A drawing or outline that shows the shape of something. 2) A clear description that shows what something is like. - delinquent noun (a delinquent, delinquents); adjective (delinquent)
A delinquent, or juvenile delinquent, is a young person who keeps breaking the law or behaving badly. - deliver verb (deliver, delivers, delivered, delivering)
To deliver means to take letters, parcels or goods to a place or person: the postman delivers the post. - deliverance noun (deliverance — uncountable)
Deliverance is being rescued or set free from danger, suffering or evil. - deliverer noun (plural deliverers)
A person who sets others free or rescues them from danger or trouble. - delivery noun (a delivery, deliveries)
Taking letters, parcels or goods to the place they are sent to. - dell noun (a dell, dells)
1) A small valley or hollow, usually with trees and grass around it. 2) (a name) Dell is also a family name and a computer company name. - delphic adjective
Relating to Delphi, an old Greek town with a famous shrine. - delta noun (a delta, deltas)
1) A flat, often triangle-shaped area of land where a river splits into many smaller streams before it flows into the sea, made from mud… - delude verb (delude, deludes, deluded, deluding)
To delude someone means to trick them into believing something that is not true. - deluge noun (a deluge, deluges); verb (deluge, deluges, deluged, deluging)
A deluge is a very heavy fall of rain or a great flood. - delusion noun (plural delusions)
A false belief about something, held even though it is not true. - delusional adjective (delusional, more delusional)
A delusional person firmly believes things that are not true, even when shown clear proof, often because of an illness. - demand verb (demand, demands, demanded, demanding); noun (a demand, demands; demand — uncountable)
To demand means to ask for something firmly, as if you have the right to it: she demanded an answer. - demarcate verb (demarcate, demarcates, demarcated, demarcating)
1) (formal) To demarcate something is to mark or set its edges or limits clearly. - demeanour noun (demeanour — usually uncountable; US spelling demeanor)
1) Someone's demeanour is the way they look and behave, which shows their mood or character. - dementia noun (dementia — uncountable)
1) An illness of the brain, most often in old people, that slowly makes it hard to remember things, think clearly, find words and look… - demesne noun (plural demesnes)
(old use) The land that belongs to a lord or a great house, around his home. - demise noun (plural demises)
1) (formal) The death of a person. 2) The end or failure of something, such as a plan or a business. - demo noun (a demo, demos); verb (informal: demo, demos, demoed, demoing); short for demonstration
A demonstration: showing how something works or is done. - democracy noun (democracy, democracies)
Democracy is a way of running a country in which the people choose their leaders by voting. - democrat noun (a democrat, democrats; a Democrat, Democrats)
A person who believes in democracy, where people choose their leaders by voting and everyone has equal rights. - democratic adjective (democratic, more democratic, most democratic)
Based on democracy: a system where people choose their leaders by voting and have equal rights. - demographer noun (a demographer, demographers)
1) A scientist who studies populations: how many people live in a place, how old they are, how many are born, die or move. - demographic noun (a demographic, demographics); adjective (demographic)
A demographic is a group of people with something in common, such as age or where they live, especially when studied or targeted by sellers. - demon noun (a demon, demons)
A demon is an evil spirit; Christians believe demons are fallen angels who oppose God. - demoniac adjective
(old use) Like a demon; wild, fierce, or as if possessed by an evil spirit. - demonstrably adverb
1) In a way that can be clearly shown or proved: you can point to facts that show it is true. - demonstrate verb (demonstrate, demonstrates, demonstrated, demonstrating)
To demonstrate is to show how something works or how to do something. - demonstration noun (a demonstration, demonstrations)
A demonstration is showing people how to do something or how something works. - demote verb (demote, demotes, demoted, demoting)
1) To demote someone is to move them to a lower rank, job or level. 2) In sport, to move a team down a league (UK: relegate). - den noun (a den, dens)
The home of a wild animal, often hidden, like a fox's or lion's den or a bear's cave. - dengue noun (dengue; uncountable); also called dengue fever
1) A tropical disease spread by the bite of certain mosquitoes, causing high fever, headache and very painful muscles and joints. - denial noun (denial, denials)
A denial is saying that something is not true. - denim noun (denim; uncountable; denims = jeans, informal)
A strong cotton cloth, usually blue, used to make jeans, jackets, skirts and overalls. - denominate verb (denominate, denominates, denominated, denominating)
To denominate an amount or a price is to state it in a particular currency or unit. - denomination noun (a denomination, denominations)
1) (church) A denomination is one of the separate groups or branches of a religion, especially Christianity, such as Catholic, Anglican… - denominational adjective (denominational)
Denominational means belonging to or run by one particular branch of a religion, such as Catholic, Anglican, Methodist or Baptist. - denote verb (denote, denotes, denoted, denoting) — formal
1) To be a sign or symbol for something; to stand for. 2) (formal) To show or mean something. - denounce verb (denounce, denounces, denounced, denouncing)
To say publicly and strongly that something or someone is wrong, bad or evil. - dense adjective (dense, denser, densest)
Thick, with things packed closely together: "a dense forest", "dense fog". - density noun (density, densities)
Density is how much mass is packed into a certain amount of space; dense things are heavy for their size. - dent noun (a dent, dents); verb (dent, dents, dented, denting)
A small hollow made in a hard surface when something hits or presses it: «a dent in the car door». - dental adjective (dental)
1) Dental means about teeth or about looking after teeth. - dented adjective (dented); also the past form of dent (dent, dents, dented, denting)
1) Having a dent or dents; pushed in a little by being hit. 2) (of feelings) Hurt or weakened: «dented pride», «dented confidence». - denticle noun (a denticle, denticles)
1) (science) One of the tiny tooth-like scales that cover the skin of sharks and rays, making it feel rough like sandpaper; also called… - dentine noun (dentine; uncountable; US usually dentin)
1) The hard, yellowish layer that makes up most of a tooth, under the white enamel and around the soft pulp in the middle. - dentist noun (a dentist, dentists; the dentist's — the dentist's surgery or office)
A dentist is a doctor who looks after people's teeth and gums: checks them, cleans them and fixes problems. - dentition noun (dentition — usually uncountable)
Dentition is the set of teeth in a mouth: how many teeth there are, what kinds and how they are arranged. - denunciation noun (plural denunciations)
A public statement that strongly condemns someone or something as wrong or evil. - deny verb (deny, denies, denied, denying)
To deny something is to say that it is not true. - deodorant noun (a deodorant, deodorants; deodorant — uncountable)
1) Deodorant is a substance you put under your arms to stop or cover body smells caused by sweat.
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