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prove

verb

ˈprüv How to pronounce prove (audio)
proved; proved or proven ˈprü-vən How to pronounce prove (audio)
 British also  ˈprō-
; proving ˈprü-viŋ How to pronounce prove (audio)

transitive verb

1
a
: to establish the existence, truth, or validity of (as by evidence or logic)
prove a theorem
the charges were never proved in court
b
: to demonstrate as having a particular quality or worth
proved herself a great actress
the vaccine has been proven effective after years of tests
2
: to show (oneself) to be worthy or capable
eager to prove myself in the new job
3
a
: to test the truth, validity, or genuineness of
the exception proves the rule
prove a will at probate
b
: to test the worth or quality of
specifically : to compare against a standard
—sometimes used with up or out
c
: to check the correctness of (something, such as an arithmetic result)
4
archaic : to learn or find out by experience

intransitive verb

: to turn out especially after trial or test
the new drug proved effective
prover
ˈprü-vər How to pronounce prove (audio)
noun
proved or proven?: Usage Guide

The past participle proven, originally the past participle of preve, a Middle English variant of prove that survived in Scotland, has gradually worked its way into standard English over the past three and a half centuries. It seems to have first become established in legal use and to have come only slowly into literary use. Tennyson was one of its earliest frequent users, probably for metrical reasons. It was disapproved by 19th century grammarians, one of whom included it in a list of "words that are not words." Surveys made some 50 or 60 years ago indicated that proved was about four times as frequent as proven. But our evidence from the last 30 or 35 years shows this no longer to be the case. As a past participle proven is now about as frequent as proved in all contexts. As an attributive adjective

proved or proven gas reserves

proven is much more common than proved.

Synonyms

Example Sentences

The charges against him were never proved in court. The government failed to prove its case. It could not be proven that the suspect stole the money. A person who is charged with a crime is considered innocent until proved guilty. mathematicians trying to prove a theorem To prove her point, she got out the old research. The tests proved the vaccine to be effective. Her second album was a hit that proved her critics wrong. See More
Recent Examples on the Web He's got big-play ability that could prove valuable for Tyree Stoner. The Courier-Journal, 17 Sep. 2022 Summers said that kind of dependency did not exist in the U.S., and could prove to be the difference between a severe recession and a mild one. Tristan Bove, Fortune, 16 Sep. 2022 But Rich and her now husband Travis Longcore stuck with the issue and organized what would prove to be a seminal academic conference on the subject. Joshua Sokol, Scientific American, 16 Sep. 2022 Neither song made the album, but both would prove essential. cleveland, 15 Sep. 2022 So Donald Glover and company could not have known that Season Three’s anthology episodes would prove polarizing at best. Alan Sepinwall, Rolling Stone, 15 Sep. 2022 The winner of this game will get an early division win that could prove very beneficial later in the season. Jeremy Cluff, The Arizona Republic, 12 Sep. 2022 Many of Hollywood’s most stylish men likewise opted for elevated suiting that prove the male-peacock trend shows no signs of slowing. Laurie Brookins, The Hollywood Reporter, 12 Sep. 2022 The greenback has soared this year thanks to the Federal Reserve jacking up interest rates to fight inflation and hopes that the US economy will prove to be more resilient than others around the world despite fears of recession. Paul R. La Monica, CNN, 12 Sep. 2022 See More

Word History

Etymology

Middle English, from Anglo-French prover, pruver, from Latin probare to test, prove, from probus good, honest, from pro- for, in favor + -bus (akin to Old English bēon to be) — more at pro-, be

First Known Use

13th century, in the meaning defined at transitive sense 4

Time Traveler
The first known use of prove was in the 13th century

Phrases Containing prove

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