I

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

769 words

iphone noun (iPhone, iPhones; a brand name)
1) A brand of smartphone made by the company Apple.
iq noun (IQ, IQs); abbreviation
1) IQ stands for «intelligence quotient», a score from a special test that tries to measure some kinds of thinking skills, like puzzles…
ir fragment (ir-, prefix; IR, abbreviation)
1) «Ir-» is a prefix meaning «not», used before words beginning with «r», as in irregular (not regular), irresponsible (not responsible)…
iridium noun (iridium — uncountable)
1) A very hard, heavy, silvery metal, a chemical element (symbol Ir), which hardly rusts or wears away.
iris noun (an iris, irises)
The iris is the coloured ring in your eye around the black pupil; it gets bigger or smaller to control how much light goes into the eye.
irish adjective (Irish); noun (Irish — the language; the Irish — the people)
1) From Ireland, or to do with Ireland and its people. 2) The Irish language (Gaeilge), a Celtic language spoken in Ireland.
irishman noun (an Irishman, Irishmen)
1) A man who was born in Ireland or whose family and home are Irish.
iron noun (iron, uncountable as the metal; an iron, irons as the tool); verb (iron, irons, ironed, ironing); adjective (an iron gate)
Iron is a strong, hard, grey metal used to make steel, tools, gates and railings.
ironclad adjective (ironclad); noun (an ironclad, ironclads)
Ironclad means covered or protected with iron plates.
ironic adjective (ironic, more ironic)
Strange or funny because it is the opposite of what you would expect, as in «It's ironic that the fire station burned down».
ironically adverb (ironically)
In a way that is the opposite of what you would expect, which makes it strange or funny.
iroquoian adjective (Iroquoian); noun (Iroquoian — the language family)
1) Iroquoian is a family of languages spoken by Native American and First Nations peoples of north-eastern North America, including…
iroquois noun (the Iroquois; an Iroquois); adjective (Iroquois)
The Iroquois are a group of Native American nations, also called the Haudenosaunee, from what is now New York State and parts of Canada.
irradiate verb (irradiate, irradiates, irradiated, irradiating)
To irradiate something is to send rays, such as X-rays, gamma rays or ultraviolet light, onto or through it.
irrational adjective (irrational, more irrational, most irrational)
Not based on clear thinking or good reasons (an irrational fear).
irreconcilable adjective (irreconcilable)
Irreconcilable ideas, views or differences are so different that they can never be made to agree.
irredeemable adjective (irredeemable); adverb irredeemably
Irredeemable means so bad that it cannot be saved, fixed or made better.
irregular adjective (irregular, more irregular, most irregular); noun (irregulars — soldiers, rare)
Irregular means not even or not the same shape or size all over: "an irregular coastline".
irregularities phrase (noun, plural: irregularities; singular an irregularity)
fraud, cheating or wrongdoing, especially with money, votes or exams.
irregularity noun (an irregularity, irregularities; irregularity)
An irregularity is something that is not normal, even or regular: a bump, a gap or a change from the pattern.
irrelevant adjective (irrelevant; irrelevantly adv.; irrelevance noun)
1) Not connected with what is being talked about or done, so it does not matter here.
irreparable adjective (irreparable); adverb irreparably
1) Irreparable means so badly damaged or harmed that it cannot be repaired or put right.
irreparably adverb (irreparably); adjective irreparable
1) In a way that cannot be repaired, mended or put right. 2) So badly that it cannot be undone.
irresistible adjective (more irresistible, most irresistible)
So charming or tempting that you cannot say no or hold back: an irresistible smell of cake.
irrespective adverb (irrespective of — formal)
1) (formal) Without taking something into account; it makes no difference (irrespective of age = whatever the age).
irresponsible adjective (irresponsible, more irresponsible, most irresponsible); adverb: irresponsibly
Irresponsible means not thinking about the results of what you do, or not taking care of things you should look after.
irreversible adjective (irreversible)
1) Not able to be changed back to how it was before.
irrevocable adjective (irrevocable)
1) Not able to be changed, cancelled or taken back once it is done: an irrevocable decision.
irrevocably adverb (irrevocably)
1) Irrevocably means in a way that can never be changed, cancelled or taken back.
irrigate verb (irrigate, irrigates, irrigated, irrigating)
To irrigate land or crops is to bring water to them through pipes, channels or sprinklers so plants can grow.
irrigation noun (irrigation, uncountable)
Supplying water to land and crops through pipes, channels or sprinklers so plants can grow.
irritable adjective (irritable, more irritable)
1) Easily annoyed or made angry; grumpy. 2) (medicine) Sore or sensitive, as in «irritable skin».
irritant noun (an irritant, irritants)
1) A substance that makes your skin, eyes, nose or throat sore, red or itchy. 2) Something or someone that annoys you.
irritate verb (irritate, irritates, irritated, irritating)
To irritate someone is to annoy them or make them a bit angry, often by doing something again and again.
irritating adjective (irritating, more irritating, most irritating); verb form (irritating — present participle of irritate)
Irritating means annoying, making you feel cross or impatient.
islam noun (Islam — proper noun, uncountable)
1) (religion) Islam is the religion of Muslims, who believe in one God (Allah in Arabic) and that Muhammad was God's last prophet; their…
islamic adjective (Islamic)
1) Islamic means belonging to or connected with Islam, the religion of Muslims, who believe in one God (Allah) and follow the teachings of…
islamophobia noun (Islamophobia, uncountable)
1) Islamophobia is hatred, fear or unfair treatment of Muslims or of Islam.
island noun (an island, islands)
An island is a piece of land with water all around it.
islander noun (an islander, islanders)
1) An islander is a person who lives on an island, or was born on one.
islay noun (Islay — a name)
Islay is an island off the west coast of Scotland, in the Inner Hebrides, famous for whisky distilleries, peat, birds and wild geese.
isle noun (an isle, isles)
1) An island, especially a small one or one in a name, mainly used in poems and place names.
islet noun (islets)
A very small island with water all around it.
isn fragment (isn — part of «isn't» = is not)
Not a full word: «isn» is the first part of the short form «isn't», which means «is not».
isogram noun (an isogram, isograms)
An isogram is a word in which no letter appears more than once, such as «dog», «planet» or «uncopyrightable».
isolate verb (isolate, isolates, isolated, isolating); noun (an isolate, isolates — science, rare)
To keep a person or thing apart from others, especially to stop a disease spreading.
isolated adjective (isolated, more isolated); verb form (isolated — past of isolate)
An isolated place is far away from other places, towns or people.
isolation noun (isolation — uncountable)
Being alone or far away from other people or places.
israeli adjective (Israeli); noun (an Israeli, Israelis)
1) adjective From or belonging to the modern country of Israel. 2) noun A person from Israel.
israelite noun (an Israelite, Israelites); adjective (Israelite)
1) (Bible) An Israelite was a member of the ancient people of Israel, the descendants of Jacob, whose stories are told in the Hebrew Bible…
israelites noun, plural (the Israelites; singular an Israelite)
1) (Bible) The Israelites were the people of ancient Israel, the descendants of Jacob (also called Israel) and his twelve sons, whose…
issue noun (an issue, issues); verb (issue, issues, issued, issuing)
An issue is an important subject or problem people talk about: environmental issues.
issuer noun (an issuer, issuers)
1) An issuer is a person, company or government that gives out something official, like cards, tickets, passports, money or shares.
issuing verb form (issue, issues, issued, issuing); also part of the noun issue (an issue, issues)
Giving out or officially supplying something (issuing tickets, issuing books).
isthmus noun (an isthmus, isthmuses)
A narrow strip of land with sea on both sides that joins two larger pieces of land.
it pronoun (it; its; itself; short forms it's, 'tis — old)
It points to a thing, an animal or an idea already named: I have a ball; it is red.
italian adjective (Italian — with a capital I); noun (an Italian, Italians; Italian — the language)
Italian means from or about Italy, a country in southern Europe.
italic adjective (italic); noun (italics, usually plural; italic)
Printed letters that slope to the right, like handwriting, used to show titles or to make a word stand out.
itch noun (an itch, itches); verb (itch, itches, itched, itching)
An itch is a feeling on your skin that makes you want to scratch it.
itchy adjective (itchy, itchier, itchiest)
Itchy means you have a feeling on your skin that makes you want to scratch.
item noun (an item, items)
One thing in a list or a group of things, like an item on a shopping list.
itemise verb (itemise, itemises, itemised, itemising; US itemize)
1) To itemise is to make a list of things one by one, often with the price or amount of each.
itinerant adjective (itinerant); noun (an itinerant, itinerants — formal)
Itinerant means travelling from place to place, often for work, instead of living in one place.
itinerary noun (an itinerary, itineraries)
1) A plan of a journey, listing the places to visit and the times.
iv noun (an IV, IVs); Roman numeral IV
IV is the Roman numeral for 4 (one before five: I before V).
ivory noun (ivory, uncountable); adjective (ivory — the colour)
Ivory is the hard, creamy-white material that elephant tusks are made of; walrus, narwhal and hippo teeth are also ivory.
ivy noun (ivy, ivies; uncountable for the plant in general); also a name (Ivy)
An evergreen climbing plant with dark shiny leaves that grows up walls and trees.
ix numeral (IX) — Roman numeral; abbreviation
The Roman numeral for 9: I (1) before X (10) means 10 minus 1.
izzard noun (izzard — old, rare)
1) (old) Izzard is an old name for the letter Z, used in parts of Britain and America long ago. 2) (a name) Izzard is also a surname.

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