Clues for the word "INFECTIOUS"

We've had 3 crossword clues used for this word, and seen it 1 time in crosswords. It was last seen in Guardian Cryptic crossword on August 14, 2009.

Definition of infectious

a. - Having qualities that may infect; communicable or caused by infection; pestilential; epidemic; as, an infectious fever; infectious clothing; infectious air; infectious vices.
a. - Corrupting, or tending to corrupt or contaminate; vitiating; demoralizing.
a. - Contaminating with illegality; exposing to seizure and forfeiture.
a. - Capable of being easily diffused or spread; sympathetic; readily communicated; as, infectious mirth.