i-adjective
Describes a person, action, or attitude showing bravery and fearlessness.
彼の勇ましい行動に感動した。
I was moved by his brave action.
勇ましい兵士
The courageous soldiers headed to the battlefield.
i-adjective
Used for music, speeches, or scenes that inspire excitement and energy; less about personal bravery and more about an uplifting, spirited quality.
勇ましい曲が流れ始めると、会場が盛り上がった。
When the rousing music started playing, the venue got excited.