infect
verbUK /ɪnˈfekt/
US /ɪnˈfekt/
To give a germ to someone so they get sick.
The sick boy can infect his friends if he coughs on them.
RELATED WORDS
OTHER MEANINGS
2. To make something dirty or harmful with germs.
Bacteria can infect a cut if it is not cleaned.
3. To spread a feeling or idea to many people.
Her laughter seemed to infect the whole room.
4. To make a computer or program sick with harmful software.
A virus can infect your computer through email.