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Is UNDETERMINABLE a valid Scrabble word?

Yes, UNDETERMINABLE is a valid word in US Scrabble and UK Scrabble, worth 19 points.

Base score before bonus squares; blank tiles score zero.

What does UNDETERMINABLE mean?

  1. adjective

    not capable of being definitely decided or ascertained

Definitions from WordNet 3.1, Princeton University.

Points

19

Scrabble

25

Words With Friends

14

Letters

U (1) + N (1) + D (2) + E (1) + T (1) + E (1) + R (1) + M (3) + I (1) + N (1) + A (1) + B (3) + L (1) + E (1) = 19 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 UNDETERMINABLE

UNDETERMINABLE 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 UNDETERMINABLE

The 60 highest-scoring words using these letters.

Study UNDETERMINABLE and related words

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