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open-mouthed

[ oh-puhn-mouthd, -moutht ]
/ ˈoʊ pənˈmaʊðd, -ˈmaʊθt /
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adjective
having the mouth open.
gaping, as with surprise or astonishment.
greedy, ravenous, or rapacious.
clamoring at the sight of game or prey, as hounds.
vociferous or clamorous.
having a wide mouth, as a pitcher or jar.

OTHER WORDS FOR open-mouthed

2 dumbfounded, flabbergasted, confounded, thunderstruck.
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Origin of open-mouthed

First recorded in 1525–35

OTHER WORDS FROM open-mouthed

o·pen-mouth·ed·ly [oh-puhn-mou-thid-lee, -moutht-lee], /ˈoʊ pənˈmaʊ ðɪd li, -ˈmaʊθt li/, adverbo·pen-mouth·ed·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use open-mouthed in a sentence

British Dictionary definitions for open-mouthed

open-mouthed

adjective
having an open mouth, esp in surprise
greedy or ravenous
clamorous or vociferous
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
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