Not drawing thanks; unwelcome.
(Obsolete) Inestimable; invaluable.
Not agreeable or pleasant; repellent:
The definition of grateful is feeling or showing thanks or appreciation for something.
Find another word for unappreciated. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for unappreciated, like: unsung, ungratifying, thankless, unthankful, unvalued, ungrateful, grateful, and under-valued.