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un·sta·ble

unstable

 
 
pronunciation:
uhn steI bl
features:
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part of speech: adjective
definition 1: likely to change suddenly.
Jane is still in the hospital because her condition is unstable.
antonyms:
stable
similar words:
shifting, unsettled
definition 2: not steady; not securely fixed.
The unstable chair collapsed when I sat on it.
synonyms:
rickety, shaky, unsteady
antonyms:
stable, steady
similar words:
dilapidated, flimsy, insecure
derivations: unstably (adv.), unstableness (n.)
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