Dignified, gallant, or brave-looking; describes someone or something with a composed, impressive, or noble appearance or demeanor.
彼女は凛々しい声で挨拶をした。
She greeted us in a dignified (or firm) voice.
凛々しい立ち姿にみんなが感心した。
Everyone admired her dignified posture.
若手俳優が凛々しいヒーロー役を見事に演じた。
The young actor splendidly played the gallant hero role.
凛々しさは外見だけでなく態度にも表れる。
Dignity is shown not only in appearance but also in one's attitude.