ungrateful
adjectiveUK /ʌnˈɡreɪtfʊl/
US /ʌnˈɡreɪtfəl/
Not saying thank you or showing you are happy about something nice someone did.
It was ungrateful of him to complain about the gift she made for him.
RELATED WORDS
OTHER MEANINGS
2. Showing no thanks for kindness or help received.
She felt hurt by her ungrateful neighbor after all her help.
3. Not pleasant or rewarding to do; thankless.
Cleaning up after the party was an ungrateful task.
4. Failing to recognize the value of something received.
An ungrateful attitude can make people stop wanting to help you.