inappreciative
adjective
in·ap·pre·cia·tive ˌi-nə-ˈprē-shə-tiv 
-ˈpri-,
also -ˈprē-shē-ˌā-
: not appreciative
inappreciative of their workers
inappreciatively adverb
inappreciativeness noun
Word History
First Known Use
1869, in the meaning defined above
inappreciativeness
noun
as in unappreciation
Synonyms & Similar Words
Relevance
- unappreciation
- ingratitude
- thanklessness
- ungratefulness
Antonyms & Near Antonyms
- thanks
- gratitude
- appreciation
- appreciativeness
- thankfulness
- gratefulness