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

Democratic socialist candidates won key races in New York, while more establishment candidates prevailed in other contests. — Erin Cox, Washington Post, 24 June 2026

The most advanced artificial intelligence models are improving quickly enough to outsmart prevailing cybersecurity know-how within months, the Five Eyes spy agency alliance has warned. — CBS News, 23 June 2026

Real Trading challenges the prevailing belief that markets can function optimally without human involvement, arguing instead that human judgment remains essential to maintaining stability, transparency, and trust. — Forbes Books Press Release Official, Forbes.com, 23 June 2026

Naturally, Doctorow has some ideas about how to push back against the prevailing narrative of AI’s inevitability. — ArsTechnica, 23 June 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