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hand waving

noun
1.
insubstantial words, arguments, gestures, or actions used in an attempt to explain or persuade.
Also, hand-waving, handwaving [hand-wey-ving] /ˈhændˌweɪ vɪŋ/ (Show IPA).
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Contemporary definitions for hand-waving
noun

a hand signal that one does not want to give a full explanation; also, an argument that is not fully supported or fully convincing

Usage Note

informal

Dictionary.com's 21st Century Lexicon
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Slang definitions & phrases for hand-waving

hand-waving

noun

A signal that one does not want to give a full explanation; also, an argument that is not fully supported or fully convincing: They asked him about progress, but he just offered some hand-waving. / She tried to explain why she forgot, but the hand-waving said it all


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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