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prevail

[pri-veyl] /prɪˈveɪl/
verb (used without object)
1.
to be widespread or current; exist everywhere or generally:
Silence prevailed along the funeral route.
2.
to appear or occur as the more important or frequent feature or element; predominate:
Green tints prevail in the upholstery.
3.
to be or prove superior in strength, power, or influence (usually followed by over):
They prevailed over their enemies in the battle.
4.
to succeed; become dominant; win out:
to wish that the right side might prevail.
5.
to use persuasion or inducement successfully:
He prevailed upon us to accompany him.
Origin
1350-1400
1350-1400; Middle English prevayllen to grow very strong < Latin praevalēre to be more able, equivalent to prae- pre- + valēre to be strong; see prevalent
Related forms
prevailer, noun
Synonyms
2. preponderate. 3. overcome.
Antonyms
3. lose.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for prevail over

prevail

/prɪˈveɪl/
verb (intransitive)
1.
often foll by over or against. to prove superior; gain mastery skill will prevail
2.
to be or appear as the most important feature; be prevalent
3.
to exist widely; be in force
4.
often foll by on or upon. to succeed in persuading or inducing
Derived Forms
prevailer, noun
Word Origin
C14: from Latin praevalēre to be superior in strength, from prae beyond + valēre to be strong
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for prevail over

prevail

v.

c.1400, "be successful; be efficacious," from Old French prevaleir (Modern French prévaloir) and directly from Latin praevalere "be stronger, have greater power," from prae "before" (see pre-) + valere "have power, be strong" (see valiant). Spelling in English perhaps influenced by avail. Related: Prevailed; prevailing.

Online Etymology Dictionary, © 2010 Douglas Harper
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