selfless
US /ˈself.ləs/
UK /ˈself.ləs/

1.
无私的, 忘我的
concerned more with the needs and wishes of others than with one's own; unselfish.
:
•
Her selfless dedication to helping the poor was truly inspiring.
她无私奉献帮助穷人的精神确实令人鼓舞。
•
He made a selfless sacrifice for his family.
他为家人做出了无私的牺牲。