Antonyms for unstable

Grammar : Adj

Spell : uhn-stey-buhl

Phonetic Transcription : ʌnˈsteɪ bəl

Definition of unstable

Origin : early 13c., "apt to move," from un- (1) "not" + stable (adj.). Cf. Middle High German unstabel. Meaning "liable to fall" is recorded from c.1300; sense of "fickle" is attested from late 13c. An Old English word for this was feallendlic, which might have become *fally.

adj doubtful

Example sentences :

All his weight was on one foot, and he was in a state of unstable equilibrium.
Extract from : « White Fang » by Jack London

Yes, indeed, yes; I know she's as unstable as water and as hard to hold as a puff of wind.
Extract from : « The Christian » by Hall Caine

Moral standards are as unstable as the shifting sands of the sea.
Extract from : « Sex=The Unknown Quantity » by Ali Nomad

We can see here very clearly how unstable a thing polytheism is.
Extract from : « History of Religion » by Allan Menzies

They are unstable, improvident, easily discouraged, easily led astray.
Extract from : « Impressions of South Africa » by James Bryce

It is the essence of all that is bright, imaginative, and fine, but it is as unstable as water.
Extract from : « The Untroubled Mind » by Herbert J. Hall

The easier path lies in the giving way to the unstable emotions.
Extract from : « The Necessity of Atheism » by Dr. D.M. Brooks

How expositive is all this of the unstable fashion of Mr. Ruskin's temper and writings!
Extract from : « Art in England » by Dutton Cook

I am unstable as water; incoherent, inconsistent, a very chameleon!
Extract from : « The Child of Pleasure » by Gabriele D'Annunzio

Black (p. 025) powder was, and is, both dangerous and unstable.
Extract from : « Artillery Through the Ages » by Albert Manucy

Synonyms for unstable

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019