ingratitude
noun /ɪnˈɡrætɪtjuːd/
  /ɪnˈɡrætɪtuːd/
[uncountable]Word Family
- grateful adjective (≠ ungrateful)
 - gratefully adverb
 - gratitude noun (≠ ingratitude)
 
- the state of not feeling or showing that you are grateful for something
- Her help was met with ingratitude and unkindness.
 
Word OriginMiddle English: from Old French, or from late Latin ingratitudo, from Latin ingratus ‘ungrateful’, from in- ‘not’ + gratus ‘grateful’.