/ Thesaurus / P Synonyms of primary atypical pneumonia Find synonyms for: Noun1. atypical pneumonia, primary atypical pneumonia, mycoplasmal pneumonia, respiratory disease, respiratory illness, respiratory disorderusage: an acute respiratory disease marked by high fever and coughing; caused by mycoplasma; primarily affecting children and young adultsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language