1. A deed or action characterized by high moral principles, generosity, honor, or selflessness
Donating anonymously to charity is a noble act.
Doar anonimamente para caridade é um ato nobre.
2. An action that demonstrates courage, integrity, or magnanimity
His rescue of the drowning child was considered a noble act by the entire community.
O resgate da criança afogada foi considerado um ato nobre por toda a comunidade.