Breadcrumb Home > Thesaurus > I Synonyms of imperturbable Find synonyms for: Adjective 1. imperturbable, unflappable, composed (vs. discomposed) usage: not easily perturbed or excited or upset; marked by extreme calm and composure; "hitherto imperturbable, he now showed signs of alarm"; "an imperturbable self-possession"; "unflappable in a crisis" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of imperturbable (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: crepuscular Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language