Meaning of UNFLAPPABLE

Pronunciation:			un'flapubul
WordNet Dictionary
	Definition:		[adj]  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"
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	Synonyms:		composed, imperturbable