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 tentative deal, known as an Enhanced City Resources Master Agreement, goes before the council’s ad hoc committee on the Olympic Games on Tuesday, then to the full council.
From Los Angeles Times ● Jun. 27, 2026
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 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
But Yoshida worried that the odds of getting their ad hoc pumping system going again would be slim if they stopped.
From "Meltdown" by Deirdre Langeland
![]()
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.