ingrate

UK: ɪnˈɡreɪt | US: ɪnˈɡreɪt

Definition
  1. n. a person who is ungrateful or lacks appreciation for kindness received.

Structure
in <not>grate <thankful>
Etymology

The word "ingrate" originates from Latin "ingratus," combining "in-" (negation) and "gratus" (grateful). It entered Middle English via Old French, retaining its core meaning of someone who fails to show gratitude. The morphemes directly reflect the word's logical opposition: "not thankful."

Examples
  1. Despite their generosity, he remained an ingrate, never acknowledging their help.

  2. Calling someone an ingrate is a harsh way to criticize their lack of gratitude.

  3. The king exiled the ingrate who betrayed his benefactor.

  4. She refused to be labeled an ingrate and wrote a heartfelt thank-you note.

  5. His ingrate behavior cost him many friendships over the years.