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Noun: infectiousness  in'fek-shus-nus
  1. The quality of being infectious

Nearest

infect
infected
infection
infectious
infectious agent
infectious disease
infectious hepatitis
infectious mononucleosis
infectious polyneuritis
infectiously
infectiousness
infective
infective agent
infecund
infelicitous
infelicitously
infelicity
infer
inferable
inference
inferential