Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

gnash

play
verb \ˈnash\

Definition of gnash

  1. transitive verb
  2. :  to strike or grind (as the teeth) together

gnash noun


Origin of gnash

alteration of Middle English gnasten


First Known Use: 15th century

Other Dentistry Terms



GNASH Defined for Kids

gnash

play
verb \ˈnash\

Definition of gnash

gnashedgnash·ing

  1. :  to strike or grind (the teeth) together <He gnashed his teeth in anger.>





Seen and Heard

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

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift kittly-benders duvet pince-nez
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ