August 23, 2021 Word of the Day
An old, unstable barn that looks ready to fall down
Definition of UNSTABLE
[more unstable; most unstable]
a : likely to change
unstable prices
unstable weather
b : not emotionally or mentally healthy
She is emotionally/mentally unstable.
c : not held in a secure position : likely to move or fall
an unstable tower/ladder
d technical : having a chemical structure or physical state that changes easily
an unstable nuclear reactor core
an unstable element
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