unappreciation
Etymology
From un- + appreciation.
unappreciation means Lack of appreciation; failure to appreciate; ingratitude. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- Lack of appreciation; failure to appreciate; ingratitude.“To delve in an ongoing exploration of this action is to convey unappreciation for a "true expression of gratitude" and may lead the giver to feelings of shame...”