/ Thesaurus / F Synonyms of field day Find synonyms for: Noun1. field day, dayusage: (military) a day for military exercises and display2. field day, dayusage: a day for outdoor athletic competition3. field day, time period, period of time, periodusage: a time of unusual pleasure and success4. field day, outing, picnic, vacation, holidayusage: a day devoted to an outdoor social gatheringWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language