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Synonyms

ad hoc

American  
[ad hok, ahd hohk] / æd ˈhɒk, ɑd ˈhoʊk /

adverb

  1. for the special purpose or end presently under consideration.

    a committee formed ad hoc to deal with the issue.


adjective

  1. concerned or dealing with a specific subject, purpose, or end.

    The ad hoc committee disbanded after making its final report.

ad hoc British  
/ æd ˈhɒk /

adjective

  1. for a particular purpose only; lacking generality or justification

    an ad hoc decision

    an ad hoc committee

"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

ad hoc Cultural  
  1. A phrase describing something created especially for a particular occasion: “We need an ad hoc committee to handle this new problem immediately.” From Latin, meaning “toward this (matter).”


ad hoc Idioms  
  1. For the special purpose or end at hand; also, by extension, improvised or impromptu. The term, Latin for “to this,” is most often used for committees established for a specific purpose, as in The committee was formed ad hoc to address health insurance problems. The term is also used as an adjective (An ad hoc committee was formed), and has given rise to the noun adhocism for the tendency to use temporary, provisional, or improvised methods to deal with a particular problem. [Early 1600s]


Usage

What does ad hoc mean? Something ad hoc is put together on the fly for one narrow, pressing, or special purpose. For example, a government committee arranged to address one specific problem would be an ad hoc committee. More loosely, it can mean "spontaneous," "unplanned," or "on the spot."Ad hoc is one of those Latin phrases commonly found in academic, law, and government contexts. It literally means "for this (thing)."

Etymology

Origin of ad hoc

First recorded in 1550–60; from Latin ad hōc “for this, to this”

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.

This ad hoc demand puzzled the Saudis and other rulers—who consider themselves allied with the U.S. and who are hoping for an end to the war.

From Slate • Jun. 1, 2026

An ad hoc City Council committee has met almost every week since March to study the tax’s impact and possible changes, which voters would have to approve.

From The Wall Street Journal • May 20, 2026

It took an ad hoc international tribunal that established its own rules to do it.

From Salon • May 18, 2026

In March, Key suggested they will not make any full-time appointments and instead will continue to use a rotating cast on an ad hoc basis.

From BBC • May 11, 2026

The ad hoc village that would serve as our home for the next six weeks sat at the head of a natural amphitheater delineated by forbidding mountain walls.

From "Into Thin Air" by Jon Krakauer

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