/ Thesaurus / W Synonyms of wing nut Find synonyms for: Noun1. wing nut, wing-nut, nut treeusage: any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia2. wing nut, wing-nut, wing screw, butterfly nut, thumbnut, nutusage: a threaded nut with winglike projections for thumb and forefinger leverage in turningWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language