Breadcrumb Home > Thesaurus > U Synonyms of uncle Find synonyms for: Noun 1. uncle, kinsman usage: the brother of your father or mother; the husband of your aunt 2. uncle, benefactor, helper usage: a source of help and advice and encouragement; "he played uncle to lonely students" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of uncle (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: mantra Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language