- The definition of valiant is someone or something very brave or determined.
An example of valiant is Aragorn going to battle to protect Middle Earth in The Lord of the Rings.
- full of or characterized by valor or courage; brave
- resolute; determined: made a valiant effort
Origin: Middle English from Old French vaillant, present participle of valoir from Classical Latin valere, to be strong: see value
Used by arrangement with John Wiley & Sons, Inc.
- Possessing valor; brave.
- Marked by or done with valor. See Synonyms at brave.
Origin: Middle English, from Old French vaillant, from Latin valēns, valent-, present participle of valēre, to be strong; see wal- in Indo-European roots.
- valˈian·cy, valˈiance, valˈiant·ness noun
- valˈiant·ly adverb