infectious
part of speech
adjective (infectious, more infectious, most infectious)
meaning for a pupil
1) An infectious disease can be passed from one person or animal to another, through germs in the air, water, food or touch. tree →
2) An infectious person has an illness that others can catch. tree →
3) Infectious can describe a feeling or laugh that spreads quickly to other people. tree →
sense in the lessons
In health and science lessons, colds, flu, chickenpox and stomach bugs are infectious; handwashing, covering coughs and staying home when ill stop them spreading. Not all diseases are infectious: diabetes and allergies are not. In stories and everyday life, an infectious laugh or smile makes others laugh too. Phrases: infectious disease, highly infectious, an infectious laugh.
examples
- Chickenpox is very infectious, so Lily stayed home. tree →
- Wash your hands to stop infectious diseases spreading. tree →
- He is still infectious, so he can't come to the party. tree →
- Her laugh was so infectious that the whole class giggled. tree →
- Allergies are not infectious; you can't catch them. tree →
- The vet checked the dog for infectious illnesses. tree →
- The little boy laughed, and Uncle Remus supplemented this indorsement of his descriptive powers with a most infectious chuckle. tree →
note
Noun: infection. «Infectious» and «contagious» are close; contagious often means spread by touch. A cut can be «infected» (germs got into it); that is not the same as «infectious».
In the corpora
- When you visit someone who is ill, wash your hands and keep your distance if they are infectious.
- Slapped cheek syndrome gives bright red cheeks, and by the time the rash appears you are no longer infectious.
Trees and pragmatics
Every meaning and example of «infectious» parsed by Mova, each sentence with its dependency tree and frames.