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Is INSTABILITY a valid Scrabble word?

Yes, INSTABILITY is a valid word in US Scrabble and UK Scrabble, worth 16 points.

Base score before bonus squares; blank tiles score zero.

What does INSTABILITY mean?

  1. noun

    an unstable order

  2. noun

    unreliability attributable to being unstable

  3. noun

    a lack of balance or state of disequilibrium

    “a hormonal imbalance”

  4. noun

    the quality or attribute of being unstable and irresolute

Definitions from WordNet 3.1, Princeton University.

Points

16

Scrabble

18

Words With Friends

11

Letters

I (1) + N (1) + S (1) + T (1) + A (1) + B (3) + I (1) + L (1) + I (1) + T (1) + Y (4) = 16 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 INSTABILITY

INSTABILITY 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 INSTABILITY

The 60 highest-scoring words using these letters.

Study INSTABILITY and related words

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