Synonyms for valiant

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1. Having a character notable for valor

   brave, courageous, unafraid, dauntless, valorous, undismayed, intrepid, steadfast, vigorous, stout-hearted, high-spirited, plucky, assertive, manful, manly, lion-hearted, mettlesome, aweless, undaunted, unflinching, unshrinking, self-reliant, strong-willed, indomitable, fearless, venturous, adventurous, powerful, puissant; see also brave 1.

   Antonyms cowardly*, fearful, timid.

2. Performed with valor

   heroic, great, grand, gallant, valorous, chivalrous, audacious, venturesome, noble, magnanimous, magnificent.

   Antonyms ineffective*, feeble, contemptible. See syn. study at brave.brave.