What is the opposite of stable?

Need antonyms for stable? Here's a list of opposite words from our thesaurus that you can use instead.

Adjective
Opposite of not likely to give way or overturn
“He explains that because of the unstable ground on the river flats, holes dug for the foundations kept caving in.”
Adjective
Opposite of firmly fixed to a surface so as to be immobilized
“I check that all is secure and stow away anything still movable in the garden.”
Adjective
(of an object or structure) Opposite of able to withstand stress without sustaining structural damage
“Small material should be bedded between the walling stones, for, otherwise, even with good stones, the contact areas may be so small that the pack wall is weak and unstable.”
Adjective
Opposite of lasting and not likely to experience any sudden changes or failure
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“House price to income ratios are higher than they otherwise would be and the housing market is unstable and prone to inefficient overshooting.”
Adjective
Opposite of having a calm personality
“He is unbalanced, and that mental instability makes him a danger to himself and to others.”
Adjective
(of a patient or their medical condition) Opposite of not deteriorating in health after an injury or operation
“Dr. Clark was admitted to the medical center in a deteriorating condition, and in the opinion of consulting physicians, made death appear imminent within days.”
Adjective
Opposite of able to be depended or relied on
“Peter is an unreliable worker, and cannot be depended on to work autonomously from the team.”
Adjective
Opposite of of good financial standing
“The directors failed to prevent their company from incurring debt when their business became insolvent.”
Adjective
Opposite of at rest, stationary, immobile, not moving
Adjective
Opposite of lasting for a very long time, especially for the duration of one's life
Adjective
Opposite of in an undamaged state
“The vase shattered on the ground, and all that was left was a pile of broken glass.”
Adjective
(of a person's temper or disposition) Opposite of calm and composed
“Hatteras became animated as he spoke, and Doctor Clawbonny's excitable nature was so wrought upon that his decision began to waver.”
Adjective
Opposite of of, supporting, or pertaining to traditionalism
Adjective
Opposite of capable of being trusted
“We need to have a discussion about our irresponsible colleague who is prone to acting in unpredictable ways.”
Adjective
Opposite of capable of withstanding great physical force
“The house was built on fragile foundations.”
Adjective
Opposite of traditionally, or generally, recognized and accepted
“One must be wary of the quack doctor who treats his patients using unfamiliar techniques.”
Adjective
Opposite of being faithful and devoted in one's support
“Edward now regarded the struggle as the suppression of a rebellion of disloyal subjects.”
Adjective
Opposite of reliable and unfailing
“Your lack of empathy is a testament to your flawed virtue, of which you should be ashamed.”
Adjective
Opposite of something that is usual or standard
Adjective
Opposite of remaining in an original state
Adjective
Opposite of loyal, reliable, and hard-working
Adjective
Opposite of not easily irritated or flustered
Adjective
Opposite of mild or moderate in quality or character
Adjective
Opposite of having exact and discernible limits or form
Adjective
Opposite of strong enough to withstand rough work or treatment
Adjective
Opposite of free from interruptions or stoppages
“His reluctance to commit himself to one genre has undoubtedly been a contributing factor to his stop-start success.”
Adjective
Opposite of firm
Adjective
(of weather or the elements) Opposite of still or calm in nature
“He ran into a nearby inn to escape the stormy weather.”
Adjective
Opposite of fair, just, or impartial
Adjective
Opposite of having existed for a long time
Adjective
Opposite of based on, or displaying, common sense
“Of course, the moment I got there it was clear that all my concerns were completely groundless.”
Adjective
(of a view, opinion or idea) Opposite of firm or inflexible
“I know I can't coerce anyone into liking cats, but all I ask is that you please have an open mind about the species.”
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