Definition of infect
infected;
infecting;
infects
1
: to contaminate with a disease-producing substance or agent (such as bacteria)
2 a
: to communicate a pathogen or a disease to
b
of a pathogenic organism
: to invade (an individual or organ) usually by penetration
c
of a computer virus
: to become transmitted and copied to (a device, such as a computer)
3 a
: contaminate, corrupt
- the inflated writing that infects such stories
b
: to work upon or seize upon so as to induce sympathy, belief, or support
- trying to infect their salespeople with their enthusiasm
