Not agreeable or pleasant; repellent:
The definition of grateful is feeling or showing thanks or appreciation for something.
Not showing or feeling gratitude
Not drawing thanks; unwelcome.
Find another word for unappreciative. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for unappreciative, like: ungrateful, grateful, thankless, unthanking and unthankful.