Definition of nightmarish

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  • nightmarish is a valid Scrabble US word with a point value of 20
  • nightmarish is a valid Scrabble UK word with a point value of 20
  • nightmarish is a valid Words with friends word with a point value of 21

Definition of nightmarish

  • extremely alarming (adjective)

    Synonyms

    1. bloodcurdling
    2. hair-raising

See definition of nightmarish in Merriam Webster