Define the word unstable"Unstable" gcide "The Collaborative International Dictionary of English v.0.48"
Unstable \Un*sta"ble\, a. [Cf. Instable.]
Not stable; not firm, fixed, or constant; subject to change
or overthrow. -- Un*sta"ble*ness, n. --Chaucer.
[1913 Webster]
Unstable equilibrium. See Stable equilibrium, under
Stable.
[1913 Webster]
"unstable" wn "WordNet (r) 2.0"
unstable
adj 1: lacking stability or fixity or firmness; "unstable political
conditions"; "the tower proved to be unstable in the
high wind"; "an unstable world economy" [ant: stable]
2: highly or violently reactive; "sensitive and highly unstable
compounds"
3: affording no ease or reassurance; "a precarious truce" [syn:
precarious]
4: suffering from severe mental illness; "of unsound mind"
[syn: mentally ill, unsound]
5: disposed to psychological variability; "his rather unstable
religious convictions"
6: subject to change; variable; "a fluid situation fraught with
uncertainty"; "everything was unstable following the coup"
[syn: fluid]
"unstable" moby-thes "Moby Thesaurus II by Grady Ward, 1.0"
197 Moby Thesaurus words for "unstable":
adrift, afloat, alternating, ambiguous, amorphous, borderline,
brittle, buoyant, canted, capricious, changeable, changeful,
changing, choppy, corruptible, crumbling, dangerous, deciduous,
decrepit, desultory, deviable, deviating, deviative, deviatory,
dickey, different, disintegrating, disorderly, divaricate,
divergent, diversified, diversiform, dizzy, doubtful, dubious,
dying, eccentric, effervescent, elastic, ephemeral, erose, erratic,
evanescent, fading, fast and loose, fickle, fitful, fleeting,
flickering, flighty, flitting, fluctuant, fluctuating, fluid,
fly-by-night, flying, fragile, frail, freakish, fugacious,
fugitive, giddy, hazardous, heeling, ill-balanced, impermanent,
impetuous, impulsive, inconsistent, inconstant, indecisive,
indefinite, infirm, insecure, insubstantial, irregular, irresolute,
irresponsible, jagged, jerky, leaning, listing, lopsided,
lubricious, mazy, mercurial, mobile, momentary, moody, mortal,
motley, moving, mutable, nonconformist, nondurable, nonpermanent,
nonstandard, nonuniform, off-balance, overbalanced, passing,
perilous, perishable, pluralistic, poor, poorish, precarious,
protean, provisional, ragged, rambling, resilient, restless, risky,
rocky, rootless, rotten, rotten at, rough, roving, scatterbrained,
shaky, shapeless, short-lived, shuffling, slippery, spasmodic,
spineless, sporadic, suspect, temperamental, temporal, temporary,
tentative, tergiversating, ticklish, top-heavy, tottery, transient,
transitive, transitory, treacherous, tricky, unaccountable,
unbalanced, uncertain, uncontrolled, undecided, undependable,
undisciplined, undurable, unenduring, unequable, unequal, uneven,
unfaithworthy, unfirm, unfixed, unhealthy, unorthodox,
unpredictable, unreliable, unrestrained, unsafe, unsettled,
unsolid, unsound, unstable as water, unstaid, unsteadfast,
unsteady, unsturdy, unsubstantial, unsure, unsystematic,
untrustworthy, ununiform, vacillating, vagrant, variable,
variegated, variform, various, varying, vicissitudinary,
vicissitudinous, volatile, wandering, wanton, wavering, wavery,
wavy, wayward, weak, whimsical, wishy-washy, wobbly
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