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Is IMPROBABLE a valid Scrabble word?

Yes, IMPROBABLE is a valid word in US Scrabble and UK Scrabble, worth 18 points.

Base score before bonus squares; blank tiles score zero.

What does IMPROBABLE mean?

  1. adjective

    not likely to be true or to occur or to have occurred

    “legislation on the question is highly unlikely”

  2. adjective

    having a probability too low to inspire belief

  3. adjective

    too improbable to admit of belief

    “a tall story”

Definitions from WordNet 3.1, Princeton University.

Points

18

Scrabble

23

Words With Friends

10

Letters

I (1) + M (3) + P (3) + R (1) + O (1) + B (3) + A (1) + B (3) + L (1) + E (1) = 18 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 IMPROBABLE

IMPROBABLE 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 IMPROBABLE

The 60 highest-scoring words using these letters.

Study IMPROBABLE and related words

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