pro tempore

American  

[proh tem-puh-ree, proh tem-paw-re] / ˈproʊ ˈtɛm pəˌri, ˈproʊ ˈtɛm pɔˌrɛ /

Also pro tem

adverb

1. temporarily; for the time being.

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adjective

1. temporary (often used postpositively).

   She is serving as a judge pro tempore.

pro tempore British  

/ ˈprəʊ ˈtɛmpərɪ /

adverb

1. Often shortened to: pro tem.  for the time being

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pro tempore Cultural  

1. Temporarily: “While the president of the company is ill, the vice president will act as the leader pro tem.” From Latin, meaning “for the time being.”

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Etymology

Origin of pro tempore

< Latin

Example Sentences

Mr. Johnson was relying on the Presidential Succession Act of 1947, which places Mr. Grassley, 92 and the Senate’s president pro tempore, third in line to the presidency.

From The Wall Street Journal • May 4, 2026

If the Senate doesn’t confirm Warsh before Powell’s term as chair ends, Powell has said he would remain chair pro tempore until his successor is named.

From Barron's • Apr. 24, 2026

The president pro tempore of the Senate, Chuck Grassley of Iowa, is 91, and third in line for succession to the presidency.

From Salon • Aug. 9, 2025

The president pro tempore of the Senate, Washington Sen. Patty Murray, will preside.

From Seattle Times • Apr. 8, 2024

The Senate shall choose their other officers, and also a president pro tempore in the absence of the Vice-President, or when he shall exercise the office of President of the United States.

From Key-Notes of American Liberty Comprising the most important speeches, proclamations, and acts of Congress, from the foundation of the government to the present time by Various