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Definition of infectious:
- Capable of being easily diffused or spread; sympathetic; readily communicated; as, infectious mirth.
- Contaminating with illegality; exposing to seizure and forfeiture.
- Corrupting, or tending to corrupt or contaminate; vitiating; demoralizing.
- Having qualities that may infect; communicable or caused by infection; pestilential; epidemic; as, an infectious fever; infectious clothing; infectious air; infectious vices.
Synonyms:
pathogenic, transmissible, communicable, transmittable, taking, morbific, dangerous, corrupting, septic, move, contractable, contagious, infective, irresistible, catching, contaminating.
- baneful (part of speech: adjective)
-
unclean (part of speech: adjective)
- grungy,
- septic,
- filthy,
- fetid,
- scatological,
- defiled,
- muddy,
- foul,
- mucky,
- odious,
- unclean,
- shabby,
- sordid,
- grubby,
- insalubrious,
- icky,
- squalid,
- grimy,
- unhygenic,
- smutty,
- scruffy,
- untidy,
- festering,
- dusty,
- disgusting,
- sloppy,
- putrid,
- dirty,
- unsanitary,
- impure,
- crummy,
- slovenly,
- murky,
- offensive,
- obscene,
- toxic,
- dingy
Usage examples:
-
One of them had been thrown into prison where an infectious malady was raging.
- "The History of England from the Accession of James II. Volume 1 (of 5)", Thomas Babington Macaulay. -
Allopathic medicine rarely makes a connection between the real causes of a degenerative or infectious disease and its cure.
- "How and When to Be Your Own Doctor", Dr. Isabelle A. Moser with Steve Solomon. -
His laughter was infectious; she smiled at him.
- "The Sea Bride", Ben Ames Williams.