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Synonyms

valiantly

American  
[val-yuhnt-lee] / ˈvæl yənt li /

adverb

  1. in a bold and stouthearted way; bravely or courageously.

    The Polish troops fought valiantly in World War II, and were crucial to the Allied victory.

  2. in a heroic way that shows determination and tenacity.

    Since the storm, utility crews have struggled valiantly to restore power, often working 16-hour shifts for days on end.

  3. in a worthy or excellent way.

    Medieval art valiantly, exhaustively, fleshes out one perceptual model after another for what triumphantly escapes human perception: God, death, power, love, and so on.


Other Word Forms

  • overvaliantly adverb
  • unvaliantly adverb

Etymology

Origin of valiantly

valiant ( def. ) + -ly

Explanation

To do something valiantly is to do it bravely and with valor. Heroes are known for doing things valiantly. Firefighters save lives by valiantly running into burning buildings. To be valiant is to have courage and to persevere, especially in difficult circumstances. Therefore, to act valiantly is to show courage and perseverance. A basketball player with a sore ankle who helps win the game has played valiantly. A war hero served his country valiantly. Martin Luther King Jr. worked for civil rights valiantly. This word has to do with strength of character and fortitude. Acting valiantly is difficult, which is why others admire it.

Keep Reading on Vocabulary.com

Vocabulary lists containing valiantly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Denmark fought valiantly, though, opening the scoring through Nick Olesen before Matt Boldy brought the Americans level.

From Barron's • Feb. 14, 2026

They include Syrian Ahmed al Ahmed, who was captured on camera valiantly disarming one of the attackers.

From BBC • Dec. 15, 2025

Patricia’s husband intervenes valiantly to help her, lending color and wit to her predicament, but we suspect he can’t save her.

From Los Angeles Times • Sep. 22, 2025

It seems clear that Robert Jackson, the justice who fought so valiantly for accountability for war crimes, would have been appalled by such an approach.

From Slate • Sep. 1, 2025

She is standing by her bed, trying valiantly to squeeze her schoolbooks into a purple minibackpack that I haven’t seen before.

From "A Mango-Shaped Space" by Wendy Mass