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Is MYSTERIOUS a valid Scrabble word?

Yes, MYSTERIOUS is a valid word in US Scrabble and UK Scrabble, worth 15 points.

Base score before bonus squares; blank tiles score zero.

What does MYSTERIOUS mean?

  1. adjective

    of an obscure nature

    “the new insurance policy is written without cryptic or mysterious terms”

  2. adjective

    having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding

    “mysterious symbols”

Definitions from WordNet 3.1, Princeton University.

Points

15

Scrabble

16

Words With Friends

10

Letters

M (3) + Y (4) + S (1) + T (1) + E (1) + R (1) + I (1) + O (1) + U (1) + S (1) = 15 points in Scrabble.

Dictionary status

  • Scrabble (US & Canada)Valid
  • Scrabble (UK & worldwide)Valid
  • Words With FriendsListed

Scrabble lists: NWL2023 (US & Canada) and CSW24 (UK & worldwide). WWF uses our ENABLE reference plus verified additions. “Listed” and “Not listed” describe that reference; check acceptance in the game. Sources reviewed 2026-10-03.

Hooks for MYSTERIOUS

MYSTERIOUS has no one-letter front or back hooks in US Scrabble. Adding a single letter to either end does not make another word in that list.

Front hooks0

None — nothing can be added to the front.

Back hooks0

None — nothing can be added to the end.

Words you can make from MYSTERIOUS

The 60 highest-scoring words using these letters.

Study MYSTERIOUS and related words

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