- not easily upset or confused, especially in a crisis; imperturbable.
Origin of unflappable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Words for unflappabilityaplomb, composure, coolness, equanimity, imperturbability, nonchalance, poise, sang-froid, self-control, self-possession, stability, steadfastness
- informal hard to upset; imperturbable; calm; composed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for unflappability
Online Etymology Dictionary, © 2010 Douglas Harper