ad hoc
Americanadverb
adjective
adjective
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.
The long-running chain, known mostly for its gargantuan arcade, bar fare, and ample screens for showing sports, has begun to let some of its locations book ad hoc late-night events with local promoters and artists.
From Slate ● Jun. 25, 2026
An ad hoc committee focused on reform spent several months discussing the issue, only to forward it to the 13-member Charter Reform Commission.
From Los Angeles Times ● Jun. 18, 2026
It took an ad hoc international tribunal that established its own rules to do it.
From Salon ● May 18, 2026
Therefore, it seems natural that the carousel nature of her appointments - having gone through several full-time coaches, as well as a series of ad hoc guidance - goes back to almost the very start.
From BBC ● May 15, 2026
The Troper is not unique, though: between about 650 and 1000, an ad hoc system of small, above-the-text markings became more common in chant books all over Western Europe.
From "The Story of Music" by Howard Goodall
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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.