prevail

verb

pre·​vail pri-ˈvāl 

prevailed; prevailing; prevails

intransitive verb

1

: to gain ascendancy through strength or superiority : triumph

2

: to be or become effective or effectual

3

: to use persuasion successfully

prevailed on him to sing

4

: to be frequent : predominate

the west winds that prevail in the mountains

5

: to be or continue in use or fashion : persist

a custom that still prevails

Synonyms of prevail

• win

Examples of prevail in a Sentence

Mutual respect prevails among students and teachers here.

The house was built in the style that prevailed in the 1980s.

The law still prevails in some states.

Recent Examples on the Web

History belies that interpretation, as prior to the amendment, common law prevailed and all (except Blacks, Amerindians and offspring of diplomats) were regarded as citizens at birth (one of the unenumerated rights of the Ninth Amendment). —Voice Of The People, New York Daily News, 28 Apr. 2026

But first lady Laura Bush prevailed. —Kevin Liptak, CNN Money, 28 Apr. 2026

Most legal experts think Musk is unlikely to prevail and, during jury selection, many potential jurors expressed negative opinions of Musk while few seemed to know much about Altman. —Jeremy Kahn, Fortune, 28 Apr. 2026

Researchers' prevailing theory is that all of those factors act on our gut — specifically, says Marshall, the composition of our microbiome, and the bacteria and myriad microorganisms living there. —Yuki Noguchi, NPR, 27 Apr. 2026

Word History

Etymology

Middle English, from Latin praevalēre, from prae- pre- + valēre to be strong — more at wield

First Known Use

14th century, in the meaning defined at sense 2

Phrases Containing prevail

• cooler heads prevail
• prevail on/upon

Rhymes for prevail

• airmail
• assail
• avail
• bewail
• blackmail
• cattail
• cocktail
• curtail
• derail
• detail
• dovetail
• email

Kids Definition

prevail

verb

pre·​vail pri-ˈvā(ə)l 

1

: to win against opposition : be successful

our team prevailed

truth will prevail over error

believed injustice should not prevail

2

: to urge successfully

prevailed upon me to play a few tunes

3

a

: to be frequent

the storms that prevail there in winter

b

: to be or continue to be in use or fashion

lower rates prevail in the evening

customs that still prevail

Legal Definition

prevail

intransitive verb

pre·​vail pri-ˈvāl 

1

: to obtain substantially the relief or action sought in a lawsuit

2

: to be frequent or predominant

the prevailing rate