ad hoc

adverb
\ ˈad-ˈhäk How to pronounce ad hoc (audio) , -ˈhōk; ˈäd-ˈhōk How to pronounce ad hoc (audio) \

Definition of ad hoc

 (Entry 1 of 2)

: for the particular end or case at hand without consideration of wider application The decisions were made ad hoc.

ad hoc

adjective

Definition of ad hoc (Entry 2 of 2)

1a : concerned with a particular end or purpose an ad hoc investigating committee
b : formed or used for specific or immediate problems or needs ad hoc solutions
2 : fashioned from whatever is immediately available : improvised large ad hoc parades and demonstrations— Nat Hentoff

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Did You Know?

Ad hoc literally means "for this" in Latin, and in English this almost always means "for this specific purpose". Issues that come up in the course of a project often require immediate, ad hoc solutions. An ad hoc investigating committee is authorized to look into a matter of limited scope. An ad hoc ruling by an athletic council is intended to settle a particular case, and is not meant to serve as a model for later rulings. If an organization deals with too many things on an ad hoc basis, it may mean someone hasn't been doing enough planning.

Examples of ad hoc in a Sentence

Adjective

The mayor appointed an ad hoc committee to study the project. We had to make some ad hoc changes to the plans. We'll hire more staff on an ad hoc basis.
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Recent Examples on the Web: Adjective

Retired district Judge Mary Hotard Becnel, who formerly held the Division B seat, has been appointed by the State Supreme court as ad hoc judge for that division. Littice Bacon-blood, NOLA.com, "St. John Parish judge, accused of sexual assault, takes leave of absence," 16 May 2018 As recently as four years ago, undergraduates at Berkeley who wanted to study data science met in ad hoc study groups and cobbled together double and triple majors. Douglas Belkin, WSJ, "UC Berkeley’s Fastest-Growing Class Is Data Science 101," 1 Nov. 2018 The complexity of the ad hoc rescue mission, which saw Air Force pilots flying Navy helicopters and refueling from a secret staging area in Iran, contributed to the mission’s failure. Kyle Mizokami, Popular Mechanics, "Watch The Harrowing Way A Osprey Refuels in Midair," 13 Mar. 2019 Talks so far have been ad hoc and included a rotating and discordant cast of participants. Cliff Kupchan, WSJ, "Trump Made His Point. Now He Should Negotiate With Beijing," 30 July 2018 Merkel has been insisting on a European solution to the issue rather than an ad hoc national approach like Hungary’s decision to close its borders at the height of the crisis in 2015. Washington Post, "Pressure grows on Merkel to tighten refugee policies," 14 June 2018 At the time, a composter named Charlie Bayrer and an ad hoc group of volunteers were collecting food scraps and composting on some old baseball diamonds in Red Hook that had been turned into an urban farm. Annie Correal, New York Times, "What Drove a Man to Set Himself on Fire in Brooklyn?," 28 May 2018 From the Woolsey Fire by Abby Aguirre For the Point Dume Bombers and other residents of the Santa Monica Mountains, fighting the California wildfire was an ad hoc effort. Vogue, "Our Favorite Longreads From 2018," 21 Dec. 2018 An ad hoc group of volunteers has formed in rural Sheridan, Ore., after the Trump administration transferred 124 immigrants from the Mexico border to the federal prison in the struggling town. Andrew Selsky, The Seattle Times, "In a prison and a temple, Oregonians help detained migrants," 23 Oct. 2018

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

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First Known Use of ad hoc

Adverb

1639, in the meaning defined above

Adjective

1879, in the meaning defined at sense 1a

History and Etymology for ad hoc

Adverb

borrowed from Latin, "for this"

Adjective

derivative of ad hoc entry 1

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Dictionary Entries near ad hoc

adhesivity

adhibit

adhio

ad hoc

ad hocism

ad hockery

ad-hocracy

Statistics for ad hoc

Look-up Popularity

Time Traveler for ad hoc

The first known use of ad hoc was in 1639

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More Definitions for ad hoc

ad hoc

adjective

English Language Learners Definition of ad hoc

: formed or used for a special purpose
: made or done without planning because of an immediate need

ad hoc

adverb
\ ˈad-ˈhäk, -ˈhōk; ˈäd-ˈhōk How to pronounce ad hoc (audio) \

Legal Definition of ad hoc

 (Entry 1 of 2)

: for the particular end or case at hand without consideration of wider application

ad hoc

adjective

Legal Definition of ad hoc (Entry 2 of 2)

1 : concerned with a particular end or purpose an ad hoc investigating committee
2 : formed or used for specific or immediate problems or needs ad hoc solutions

History and Etymology for ad hoc

Adverb

Latin, for this

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More from Merriam-Webster on ad hoc

Rhyming Dictionary: Words that rhyme with ad hoc

Thesaurus: All synonyms and antonyms for ad hoc

Nglish: Translation of ad hoc for Spanish Speakers

Britannica English: Translation of ad hoc for Arabic Speakers

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