Simple Definition of unselfish
: having or showing more concern for other people than for yourself : not selfish
Full Definition of unselfish
: not selfish : generous
Examples of unselfish in a sentence
She's a very unselfish young woman.
<an unselfish man who spends much of his time helping his community>
First Known Use of unselfish
UNSELFISH Defined for Kids
Definition of unselfish for Students
: not selfish
Seen and Heard
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