See more synonyms for bash on
verb (used with object)
  1. to strike with a crushing or smashing blow.
  2. Chiefly British, Canadian. to hurl harsh verbal abuse at.
  1. a crushing blow.
  2. Informal. a thoroughly enjoyable, lively party.
  1. have a bash (at), British. to attempt; make an attempt.
  2. on the bash, British. working as a prostitute.

Origin of bash

First recorded in 1635–45; perhaps of expressive origin
Related formsbash·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for bash


  1. (tr) to strike violently or crushingly
  2. (tr; often foll by in, down, etc) to smash, break, etc, with a crashing blowto bash a door down
  3. (intr foll by into) to crash (into); collide (with)to bash into a lamppost
  4. to dent or be dentedthis tin is bashed; this cover won't bash easily
  1. a heavy blow, as from a fist
  2. a dent; indentation
  3. a party
  4. have a bash informal to make an attempt
See also bash up

Word Origin for bash

C17: of uncertain origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for bash

"to strike violently," 1640s, perhaps of Scandinavian origin, from Old Norse *basca "to strike" (cf. Swedish basa "to baste, whip, flog, lash," Danish baske "to beat, strike, cudgel"); or the whole group might be independently derived and echoic. Figurative sense of "abuse verbally or in writing" is from 1948. Related: Bashed; bashing.


"a heavy blow," 1805, from bash (v.). Meaning "an attempt" is attested by 1948. On a bash "on a drunken spree" is slang from 1901, which gave the word its sense of "party."

Online Etymology Dictionary, © 2010 Douglas Harper