Englishfor English speakers
instability
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noun
unreliability attributable to being unstable
—
noun
an unstable order
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noun
the quality or attribute of being unstable and irresolute
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noun
(= imbalance)
a lack of balance or state of disequilibrium
a hormonal imbalance
criterion
Noun
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A criterion is a principle that you use to judge something or decide about something.
The only criterion used for measuring success was school grades.