bash
Americanverb (used with object)
-
to strike with a crushing or smashing blow.
-
Chiefly British, Canadian. to hurl harsh verbal abuse at.
noun
-
a crushing blow.
-
Informal. a thoroughly enjoyable, lively party.
idioms
-
on the bash, working as a prostitute.
-
have a bash (at), to attempt; make an attempt.
verb
-
(tr) to strike violently or crushingly
-
(tr; often foll by in, down, etc) to smash, break, etc, with a crashing blow
to bash a door down
-
to crash (into); collide (with)
to bash into a lamppost
-
to dent or be dented
this tin is bashed
this cover won't bash easily
noun
-
a heavy blow, as from a fist
-
a dent; indentation
-
a party
-
informal to make an attempt
Usage
What does bash mean? Bash means "to strike" something with great force. It's been adopted as slang for hurling insults or verbal abuse at someone. A bash is also an older slang term for "a wild party."
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Participles
Conjugated Forms
Present
-
bashsimple
-
bashessimple
-
have bashedperfect
-
has bashedperfect
-
am bashingprogressive
-
are bashingprogressive
-
is bashingprogressive
-
have been bashingperfect progressive
-
has been bashingperfect progressive
Past
-
bashedsimple
-
had bashedperfect
-
was bashingprogressive
-
were bashingprogressive
-
had been bashingperfect progressive
Future
Etymology
Origin of bash
First recorded in 1635–45; perhaps of expressive origin
Explanation
To bash is to hit something hard. You might stand up suddenly on a sailboat and bash your head on the mast. Marching band drummers bash their drums with mallets, and terrible drivers bash their bumpers into trees. You can also figuratively bash another person by saying terribly critical things about her. When bash is a noun, it means either "a hard hit or blow," or "a loud, festive party:" "Welcome to my bash! Don't bash your head on the piñata."
Vocabulary lists containing bash
Party Parlance for Mardi Gras
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Unit 3: Compelling Evidence
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
I Survived the Attacks of September 11, 2001
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The event at Madison Square Garden shuttered one of Manhattan's busiest corridors and brought out Hollywood's A-list for what was likely the bash of the century.
From BBC • Jul. 4, 2026
The Wall Street Journal and parent Dow Jones weren’t yet in existence when the country turned 100 and had its centennial bash, in 1876.
From The Wall Street Journal • Jun. 30, 2026
Preparations for the 250th bash started in 2016 with the intention of making it on par with those earlier celebrations.
From Salon • Jun. 30, 2026
Donald Trump's ambassador to Belgium takes over a Brussels park Sunday for a high-profile bash to mark America's 250th birthday -- despite local pushback and official hurdles to his more spectacular plans.
From Barron's • Jun. 26, 2026
I go out into the hall and almost bash headlong into one of the giant metal racks of trays.
From "It’s Kind of a Funny Story" by Ned Vizzini
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.