unstable

adjectives

lacking stability or fixity or firmness
"unstable political conditions"; "the tower proved to be unstable in the high wind"; "an unstable world economy"
is derived from
antonym
is similar to
being where earthquake waves arrive simultaneously
is similar to
(used of boats) inclined to heel over easily under sail
is similar to
liable to lead to sudden change or violence
"an explosive issue"; "a volatile situation with troops and rioters eager for a confrontation"
is similar to
inclined to shake as from weakness or defect
"a rickety table"; "a wobbly chair with shaky legs"; "the ladder felt a little wobbly"; "the bridge still stands though one of the arches is wonky"
is similar to
liable to rock
"on high rocky heels"
is similar to
subject to or caused by an earthquake or earth vibration
is similar to
unstable and prone to tip as if intoxicated
"a tipsy boat"
is similar to
unstable by being overloaded at the top
is similar to
(of structures or institutions) having lost stability; failing or on the point of collapse
"a tottering empire"
is similar to
explosively unstable
"a volcanic temper"
see also
likely to change frequently often without apparent or cogent reason; variable
"inconstant affections"; "an inconstant lover"; "swear not by...the inconstant moon"- Shakespeare
see also
not permanent; not lasting
"politics is an impermanent factor of life"- James Thurber; "impermanent palm cottages"; "a temperary arrangement"; "temporary housing"
see also
subject to change or variation
"her unsteady walk"; "his hand was unsteady as he poured the wine"; "an unsteady voice"
highly or violently reactive
"sensitive and highly unstable compounds"
is derived from
is similar to
participating readily in reactions
"sodium is a reactive metal"; "free radicals are very reactive"
affording no ease or reassurance
"a precarious truce"
is derived from
suffering from severe mental illness
"of unsound mind"
is derived from
disposed to psychological variability
"his rather unstable religious convictions"
is derived from
is similar to
uncertain how to act or proceed
"the committee was timid and mediocre and irresolute"
subject to change; variable
"a fluid situation fraught with uncertainty"; "everything was unstable following the coup"