unappreciative
adjectiveUK /ˌʌnəˈpriːʃətɪv/
US /ˌʌnəˈpriːʃətɪv/
Not saying thank you or showing you are happy about something nice.
He was unappreciative of the gift and barely looked at it.
OTHER MEANINGS
2. Not recognizing the good qualities or value of something.
She remained unappreciative of the effort her team put in.
3. Not aware of or responsive to kindness or help.
The unappreciative crowd ignored the volunteers' hard work.
4. Showing no enjoyment or thanks for a favor.
His unappreciative nod was all the thanks we got.