19
lip(noun, verb, state, go, deliver)
15
aperture(noun, open, thing, opening, breach)
15
opening(noun, open, thing, opening, breach)
14
orifice(noun, open, thing, beginning, opening)
12
sass(noun, return, talk, insult, answer)
12
entrance(noun, thing, beginning, opening)
12
inlet(noun, beginning, opening, entrance, haven)
11
door(noun, beginning, opening, breach, hole)
10
speak(verb, state, attack, declare, express)
10
declaim(verb, state, express, speech, rage)
10
estuary(noun, nature, opening, gulf lake)
10
gob(noun, opening)
10
impudence(noun, rudeness, insolence, sassiness, backtalk)
10
talk(verb, state, express, say, articulate)
10
utter(verb, state, release, tell, express)
9
back talk(noun, expression, idiom, return, rude)
9
grimace(noun, verb, expression, express, contort)
9
insolence(noun, return, insult, rudeness, disrespect)
9
impertinence(noun, rudeness, disrespect, insolence, impudence)
9
rant(verb, attack, declare, speech, rage)
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APASmart Define. (2016). mouth thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/mouth/thesaurus/synonyms
ChicagoSmart Define. 2016. "mouth thesaurus" https://smartdefine.org/mouth/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, mouth thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/mouth/thesaurus/synonyms>.
MLASmart Define. "mouth thesaurus" 28 February 2016. Web. 20 September 2026. <https://smartdefine.org/mouth/thesaurus/synonyms>