\ ˈbāst How to pronounce based (audio) \

Definition of based

 (Entry 1 of 2)

: having a specified type of base or basis a soundly based argument I realized that his technique was psychoanalytically based.— Robert Klitzman often used in combinationoil-based paintsa fact-based narrative


Definition of based (Entry 2 of 2)

past tense and past participle of base entry 2

Examples of based in a Sentence

Recent Examples on the Web: Adjective Some researchers express hope that this rising aggressiveness may thwart — or at least deter — some foreign-based influence operations from meddling in future U.S. elections. Washington Post, "It’s not just the Russians anymore as Iranians and others turn up disinformation efforts ahead of 2020 vote," 25 July 2019 The sheer number of groups nurtured with Mrs. May’s money — dozens over four decades — played an important role in the success of the anti-immigration movement by giving it the appearance of broad-based support. Nicholas Kulish, New York Times, "Why an Heiress Spent Her Fortune Trying to Keep Immigrants Out," 14 Aug. 2019 Two family members who attended the meeting and other people familiar with some influential family members said Mr. Elkann continues to enjoy broad-based support among the family and a clear mandate to continue to seek a tie-up. Eric Sylvers, WSJ, "Fiat Chrysler’s Elkann Keeps Family Support in Wake of Busted Merger Talks," 20 June 2019 Meduza is known for critical coverage of Putin, making the broad-based support of him in Russia’s media community all the more notable. Washington Post, "The outcry over a journalist’s arrest cuts to the heart of tensions in Putin’s Russia," 10 June 2019 In the face of such broad-based support, the inability of Congress to get this done is stunning. William A. Galston, WSJ, "Americans Want an Immigration Deal," 10 July 2018 The Keystone Research Center says the federal tax credit coupled with a higher minimum wage is more effective, based on states that have hiked the hourly rate. Lasherica Thornton,, "A boost in the minimum wage in this year's Pa. budget?," 1 June 2018 Those exchanges planted a seed in the minds of the Los Angeles–based friends, who set about formulating a facial range to their personal (and crowd-sourced) specifications. Jenna Rennert, Vogue, "This 10-Minute Miracle Mask Was Created for Jet Lag and Tired Skin," 12 Mar. 2018 And Apple can still change iOS 11 a bit based on feedback from users of the beta version. Geoffrey A. Fowler, WSJ, "The iPad Is About to Get More Useful—and Confusing," 5 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'based.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of based


1800, in the meaning defined above

Keep scrolling for more

Learn More about based

Time Traveler for based

Time Traveler

The first known use of based was in 1800

See more words from the same year

Statistics for based

Cite this Entry

“Based.” Dictionary, Merriam-Webster, Accessed 13 Jul. 2020.

Keep scrolling for more

More Definitions for based


How to pronounce based (audio)

English Language Learners Definition of based

used to describe the base or basis of something often used in combination

Keep scrolling for more

Comments on based

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?


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

Love words? Need even more definitions?

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