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

1.
無私的, 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.
她無私奉獻幫助窮人的精神確實令人鼓舞。
•
He made a selfless sacrifice for his family.
他為家人做出了無私的犧牲。