ad interim

1 of 2

adverb

ad in·​ter·​im ˈad-ˈin-tə-rəm How to pronounce ad interim (audio)
-ˌrim
also ˈäd-
Synonyms of ad interimnext
: for the intervening time : temporarily

ad interim

2 of 2

adjective

: made or serving ad interim

Synonyms of ad interim

Examples of ad interim in a Sentence

Adjective will serve as the ad interim CEO until the merger of the two corporations is complete an ad interim government until the new constitution goes into effect
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adverb
Senior Foreign Service, has been serving as the chargé d’affaires ad interim — essentially an acting ambassador when there is no one in the position — to South Korea since January. Kaitlyn Schallhorn, Oc Register, 20 May 2026 At least 17 were injured and 18 more are missing, said Gregoire Goodstein, the United Nations' Humanitarian Coordinator ad interim for Haiti. Thao Nguyen, USA Today, 30 Oct. 2025 As reported, Loehnis left her role as president and ad interim chief executive officer of Yoox Net-a-porter group earlier this year. Samantha Conti, Footwear News, 27 Oct. 2025 After the exit of Eraldo Poletto as CEO of Diesel in February 2023, Rosso has held that role ad interim, which Minelli feels greatly contributed to the growth of the brand. Luisa Zargani, WWD, 18 Feb. 2025
Adjective
Senior Foreign Service, has been serving as the chargé d’affaires ad interim — essentially an acting ambassador when there is no one in the position — to South Korea since January. Kaitlyn Schallhorn, Oc Register, 13 Apr. 2026 Lorenzo de Zavala helped draft the constitution of the Republic of Texas, and his fellow delegates elected him ad interim vice president of the new country. USA Today, 28 Sep. 2021 This led the opposition to rally around the president of Venezuela's Parliament, a young lawmaker named Juan Guaidó, who -- according the constitution -- must rule ad interim should the presidency be vacant. Stefano Pozzebon, CNN, 7 Dec. 2020 Shawn Morgan will replace him on an ad interim basis for North America. Phoebe Wall Howard, Detroit Free Press, 11 June 2020

Word History

Etymology

Adverb

borrowed from New Latin

Adjective

derivative of ad interim entry 1

First Known Use

Adverb

1701, in the meaning defined above

Adjective

1818, in the meaning defined above

Time Traveler
The first known use of ad interim was in 1701

Browse Nearby Words

Cite this Entry

“Ad interim.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ad%20interim. Accessed 6 Jul. 2026.

Legal Definition

ad interim

adjective
ˈad-ˈin-tə-rəm, ˈäd-, -ˌrim
: made or serving temporarily or for the time being
an ad interim committee
Etymology

Adjective

Latin, for the intervening time

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster