Word Type

Adjective

Adjective

The word "infectious" can be used as adjective and adjective.

Word Relationships

Opposites (Antonyms)

noninfectious

Derived Terms

agroinfectious antiinfectious bovine infectious petechial fever feline infectious peritonitis hyperinfectious infection infectious abortion infectious agent infectious bovine rhinotracheitis infectious disease infectious disease specialist infectious mononucleosis infectiously infectiousness neuroinfectious parainfectious postinfectious preinfectious pseudoinfectious reinfectious subinfectious superinfectious toxicoinfectious uninfectious

Context

pathology

Related Terms

excitement infect infection interest memorable transmit

Similar Terms

catching communicable contagious contagious contaminating contaminating contractable corrupting infected septic transmissible transmissible transmittable

Synonym Network

catching catchy contagious infective

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.