Unstable

/ʌnˈsteɪ.bəl/

Meaning & Definition

adjective

Prone to change, fail, or collapse; not stable.

The economic situation of the country remains unstable due to fluctuating markets.

Not firmly established or likely to change unexpectedly.

Her unstable emotions made it difficult for her to maintain lasting relationships.

Involving an element of unpredictability or risk.

The chemicals they were working with were highly reactive and unstable.

Characterized by lack of permanence or regularity.

The unstable weather patterns in the region caused frequent natural disasters.

Capable of undergoing rapid changes or shifts.

The unstable political climate led to protests and calls for reform.

From un- (not) + stable (steady, firm)

unstable situation

A scenario that is marked by unpredictability and potential changes.

emotionally unstable

Referring to someone whose emotional condition is fluctuating and not steady.

unstable equilibrium

A balance that is easily disrupted or disturbed.

stability

The quality of being stable; firmness in position.

stabilize

To make something stable or steady.

Wobbly

That chair is wobbly; you should fix it before it breaks.

Sketchy

The plan seems pretty sketchy; I wouldn't count on it working.