Unstable Definition

ŭn-stābəl
unstablest, unstabler
adjective
unstabler, unstablest
Not stable.
Webster's New World
Tending strongly to change.
Unstable weather.
American Heritage
Not constant; fluctuating.
Unstable vital signs.
American Heritage
Wavering or fickle.
At first, he was unstable in his decisions.
American Heritage
Showing or marked by erratic or volatile emotions or behavior.
American Heritage
Antonyms:

Other Word Forms of Unstable

Adjective

Base Form:
unstable
Comparative:
unstabler
Superlative:
unstablest

Origin of Unstable

  • un- +"Ž stable

    From Wiktionary

Find Similar Words

Find similar words to unstable using the buttons below.

Words Starting With

Words Ending With

Unscrambles

unstable