Meaning & Definition of word "Unstable"

Unstable

/ʌnˈsteɪ.bəl/

adjective:

  • 1. Prone to change, fail, or collapse; not stable.
    • Example: The economic situation of the country remains unstable due to fluctuating markets.
  • 2. Not firmly established or likely to change unexpectedly.
    • Example: Her unstable emotions made it difficult for her to maintain lasting relationships.
  • 3. Involving an element of unpredictability or risk.
    • Example: The chemicals they were working with were highly reactive and unstable.
  • 4. Characterized by lack of permanence or regularity.
    • Example: The unstable weather patterns in the region caused frequent natural disasters.
  • 5. Capable of undergoing rapid changes or shifts.
    • Example: The unstable political climate led to protests and calls for reform.

Etymology

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

Common Phrases and Expressions

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.

Related Words

stability:

The quality of being stable; firmness in position.

stabilize:

To make something stable or steady.

Slang Meanings of unstable

Meaning: Wobbly

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

Meaning: Sketchy

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