Curmudgeon

Pronunciation: /kərˈmʌdʒɪn/

Curmudgeon (noun)

  1. A person, often older, who is always complaining and seems unfriendly or hard to please.
  2. A person who shows constant irritation and criticism, especially about small things.

Examples

  • The curmudgeon complained about everything at breakfast.
  • A curmudgeon rarely smiles, even when others are kind.