unstable; uncertain; not definite
Meanings
2 senses · 10 examplesadjective
unstable; not fixed; unsettled
Can describe physical objects or mental states.
This old ladder looks very unstable.
The unstable swaying branches shake in the wind.
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He was restless and uneasy before learning the exam results.
Her mood is always unstable, making her hard to read.
During the pandemic, the global economic situation was unstable.
adverb
uncertain; not sure; not definite
Used to express doubt, guesswork, or lack of certainty, often followed by interrogative words or affirmative-negative overlapping phrases.
The kid must have run off somewhere again, go find him quickly.
He will ask the same question countless times in a single day.
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I'm not sure whether I'll leave next week or not.
No one knows who will win this game until the final minute.
He might contact you out of the blue at any time.