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Valid in these dictionaries

TWL/NWL (Scrabble US/CA/TH)
SOWPODS/CSW (Scrabble UK / ALL)
ENABLE (Words with Friends)

Meaning of unstable

1 definition found

From WordNet (r) 3.0 (2006) [wn]:

  unstable
      adj 1: lacking stability or fixity or firmness; "unstable
             political conditions"; "the tower proved to be unstable
             in the high wind"; "an unstable world economy" [ant:
             {stable}]
      2: highly or violently reactive; "sensitive and highly unstable
         compounds"
      3: affording no ease or reassurance; "a precarious truce" [syn:
         {precarious}, {unstable}]
      4: suffering from severe mental illness; "of unsound mind" [syn:
         {mentally ill}, {unsound}, {unstable}]
      5: disposed to psychological variability; "his rather unstable
         religious convictions"
      6: subject to change; variable; "a fluid situation fraught with
         uncertainty"; "everything was unstable following the coup"
         [syn: {fluid}, {unstable}]

Source : WordNet ® Princeton University. 2010.

Use this dictionary checker to learn more about a word - find out its meaning and also make sure whether that word is a valid word in any of these dictionaries (used by popular word games). Here is the list of dictionaries it checks for :

OCTWL / TWL : The official dictionary for scrabble game in United States, Canada and Thailand.
SOWPODS / CSW : UK and the rest of the world uses this dictionary for various word games including scrabble.
ENABLE - This is the default dictionary for Words with Friends.

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