Definition of grinch in English:

grinch

Syllabification: grinch

noun

informal
  • A person who is mean-spirited and unfriendly.
    More example sentences
    • We all know it's Christmas, the scrooges and grinches all know it's Christmas and the cash registers at the mall all know it's Christmas.
    • I do believe my inner grinch is settling in about a week early this year.
    • Why have people suddenly turned into heartless, horrible grinches?

Origin

mid 20th century: from the name of the title character in Dr. Seuss's book How the Grinch Stole Christmas! (1957).

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