noun back·fist \ˈbak-ˌfist\

Definition of backfist



  1. :  a punch thrown by a fighter with the back of the fist usually at the end of a quick spinning movement The instructor threw a backfist at three-quarter speed, but this time the student wasn't fast enough. — Dr. Thomas J. Nardi, MA Training, July 1995 The 39-year-old Le set the tone early …, landing a spinning backfist early in the first round that put Silva down. — Associated Press, 20 Nov. 2011

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of backfist

1back + 1fist

First Known Use: 1971

Seen and Heard

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


a rounded knoll or a ridge of ice

Get Word of the Day daily email!