"infected" in the verb sense
1. infect
communicate a disease to
"Your children have infected you with this head cold"
2. infect, taint
contaminate with a disease or microorganism
3. infect
corrupt with ideas or an ideology
"society was infected by racism"
4. infect
affect in a contagious way
"His laughter infects everyone who is in the same room"
"infected" in the adjective sense
1. septic, infected
containing or resulting from disease-causing organisms
"a septic sore throat"
"a septic environment"
"septic sewage"
Source: WordNet® (An amazing lexical database of English)
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