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 key question remains whether management can protect cash generation while gradually improving underlying profitability. On both metrics, the ad hoc was arguably more reassuring than the headline numbers suggests.”
From The Wall Street Journal ● Sep. 21, 2026
AI is enabling a more ad hoc structure based on workflows.
From The Wall Street Journal ● Sep. 17, 2026
Some have been driving pipes into the earth, making ad hoc irrigation systems to combat subterranean fires.
From BBC ● Sep. 6, 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
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.