Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

smart-mouth

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

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

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

Keep scrolling for more

Learn More about smart-mouth

Share smart-mouth

Statistics for smart-mouth

Look-up Popularity

Time Traveler for smart-mouth

The first known use of smart-mouth was in 1966

See more words from the same year

Comments on smart-mouth

What made you want to look up smart-mouth? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

recalcitrant

obstinately defiant of authority

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games