ungrateful person

What Does Unappreciative Mean? In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for unappreciative, like: ungrateful, grateful, thankless, unthanking and unthankful. What is an unappreciative person? When someone doesn’t say thanks or feel grateful for something, they’re unappreciative. It will probably be frustrating to throw an elaborate surprise party