noun, often attributive

Definition of smart-mouth 

: one given to making remarks that aim for cleverness and wit but that strike others as cocky or annoying : smart aleck

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Other words from smart-mouth

smart-mouth verb
smart-mouthed \ˈ⸗ˌ⸗ \ adjective

First Known Use of smart-mouth

1966, in the meaning defined above

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to make amends

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