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.
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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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.