1Showing courage in the face of danger or difficulty; used to praise someone's attitude or actions.
消防士たちは勇ましく火の中に飛び込んでいった。
The firefighters bravely plunged into the flames.
幼い息子が勇ましく犬に立ち向かう姿に驚いた。
I was surprised to see my young son bravely stand up to the dog.
彼女は勇ましい態度で反対意見を述べた。
She stated her objection with a valiant attitude.
2Having a spirited, rousing quality that stirs one's emotions; often said of music or chants.
太鼓の勇ましい音がお祭りを盛り上げた。
The rousing sound of the drums energized the festival.
応援団の勇ましい掛け声が球場に響いた。
The cheer squad's rousing chants echoed through the stadium.