Meaning of “infect” - Learner’s Dictionary

infect

verb [ T ] uk us /ɪnˈfekt/
DISEASE

to give someone a disease:

[ often passive ] Thousands of people were infected with the virus.
PLACE/SUBSTANCE

If a place, wound, or substance is infected, it contains bacteria or other things that can cause disease:

infected water/meat
→ Compare disinfect
FEELING

to make other people feel the same way as you do:

(Definition of “infect” from the Cambridge Learner’s Dictionary © Cambridge University Press)