ad hoc

adverb
\ˈad-ˈhäk, -ˈhōk;ˈäd-ˈhōk \

Definition of ad hoc 

(Entry 1 of 2)

: for the particular end or case at hand without consideration of wider application The decisions were made ad hoc.

ad hoc

adjective

Definition of ad hoc (Entry 2 of 2)

1a : concerned with a particular end or purpose an ad hoc investigating committee

b : formed or used for specific or immediate problems or needs ad hoc solutions

2 : fashioned from whatever is immediately available : improvised large ad hoc parades and demonstrations— Nat Hentoff

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Did You Know?

Ad hoc literally means "for this" in Latin, and in English this almost always means "for this specific purpose". Issues that come up in the course of a project often require immediate, ad hoc solutions. An ad hoc investigating committee is authorized to look into a matter of limited scope. An ad hoc ruling by an athletic council is intended to settle a particular case, and is not meant to serve as a model for later rulings. If an organization deals with too many things on an ad hoc basis, it may mean someone hasn't been doing enough planning.

Examples of ad hoc in a Sentence

Adjective

The mayor appointed an ad hoc committee to study the project. We had to make some ad hoc changes to the plans. We'll hire more staff on an ad hoc basis.
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Recent Examples on the Web: Adjective

People are already doing this all over, on an ad hoc basis. Samantha Durbin, Washington Post, "A new app connects hurricane evacuees with people willing to host — the ‘Uber for disasters’," 1 June 2018 The new guidelines — developed with the help of an ad hoc group of builders, architects and some residents — would require that 65 percent of a residential lot of 10,000 square feet or smaller would have to be planted with vegetation. David Twiddy, kansascity, "Prairie Village residents focus on teardowns, new construction at first of 3 meetings," 10 July 2018 The resolution, which passed through the financial and administrative committee and an ad hoc legislative committee, still has to pass through the full County Board on July 10. Frank Abderholden, Lake County News-Sun, "Lake County Board committees back opposition to putting assessor's post on November ballot," 27 June 2018 In the absence of government assistance, lawyers have developed their own ad hoc system of tracking down the children of their clients. Kevin Sieff, BostonGlobe.com, "A chaotic attempt to reunite parents with their children," 22 June 2018 Not every idea the ad hoc group toyed with is moving forward. David Hernandez, sandiegouniontribune.com, "National City moves forward with some ideas to better assist immigrant residents," 19 June 2018 Spectacle 2018 More than a dozen musicians come together for Spectacle 2018, a concert of ad hoc improvised groups on July 8 from 3 to 6 p.m. at Real Art Ways, 56 Arbor St., Hartford. Hartford Courant, courant.com, "Things To Do This Week," 1 July 2018 Fewer books, more balls This is a far cry from the ad hoc, informal way that kids in most developing countries learn the game, playing in the street. Michael Holtz, The Christian Science Monitor, "Soccer World Cup spurs Chinese sporting ambitions," 27 June 2018 By Jahangir’s reign (1605-27), the Mughals’ authority and influence had spread across much of modern-day India, their ruling style an ad hoc blend of Central and South Asian tradition. Maxwell Carter, WSJ, "‘Empress’ Review: Light of the Mughal World," 13 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ad hoc.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ad hoc

Adverb

1639, in the meaning defined above

Adjective

1879, in the meaning defined at sense 1a

History and Etymology for ad hoc

Adverb

borrowed from Latin, "for this"

Adjective

derivative of ad hoc entry 1

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Dictionary Entries near ad hoc

adhesivity

adhibit

adhio

ad hoc

ad hocism

ad hockery

ad-hocracy

Statistics for ad hoc

Look-up Popularity

Time Traveler for ad hoc

The first known use of ad hoc was in 1639

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More Definitions for ad hoc

ad hoc

adjective

English Language Learners Definition of ad hoc

: formed or used for a special purpose

: made or done without planning because of an immediate need

ad hoc

adverb
\ˈad-ˈhäk, -ˈhōk; ˈäd-ˈhōk \

Legal Definition of ad hoc 

(Entry 1 of 2)

: for the particular end or case at hand without consideration of wider application

ad hoc

adjective

Legal Definition of ad hoc (Entry 2 of 2)

1 : concerned with a particular end or purpose an ad hoc investigating committee

2 : formed or used for specific or immediate problems or needs ad hoc solutions

History and Etymology for ad hoc

Adverb

Latin, for this

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Comments on ad hoc

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