unstable as an adjective: - 1
- 2
- 3
- 4
- 5
- 6
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unstable
adjective
1 unstable
Lacking stability or fixity or firmness.
Roget 149:
changeable,
changeful;
changing
etc.
140;
mutable,
variable,
checkered,
ever changing;
protean,
proteiform†;
versatile.
unstaid†,
inconstant;
unsteady,
unstable,
unfixed,
unsettled;
fluctuating
etc.
v.;
restless;
agitated
etc.
315;
erratic,
fickle;
irresolute
etc.
605;
capricious
etc.
608;
touch and go;
inconsonant,
fitful,
spasmodic;
vibratory;
vagrant,
wayward;
desultory;
afloat;
alternating;
alterable,
plastic,
mobile;
transient
etc.
111;
wavering.
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Polish: niestateczny
2 unstable
Highly or violently reactive.
3 unstable
Affording no ease or reassurance.
synonym: precarious.
Roget 111:
transient,
transitory,
transitive;
passing,
evanescent,
fleeting,
cursory,
short-lived,
ephemeral;
flying
etc.
v.;
fugacious,
fugitive;
shifting,
slippery;
spasmodic;
instantaneous,
momentaneous†.
temporal,
temporary;
provisional,
provisory;
deciduous;
perishable,
mortal,
precarious,
unstable,
insecure;
impermanent.
brief,
quick,
brisk,
extemporaneous,
summary;
pressed for time
etc.
(haste)
684;
sudden,
momentary
etc.
(instantaneous)
113.
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Roget 665:
in danger
etc.
n.;
endangered
etc.
v.;
fraught with danger;
dangerous,
hazardous,
perilous,
parlous,
periculous†;
unsafe,
unprotected
etc.
(safe, protect)
etc.
664;
insecure.
untrustworthy;
built upon. sand,
on a sandy basis;
wildcat.
defenseless,
fenceless,
guardless†,
harborless;
unshielded;
vulnerable,
expugnable†,
exposed;
open to
etc.
(liable)
177.
aux abois [Fr.],
at bay;
on the wrong side of the wall,
on a lee shore,
on the rocks.
at stake,
in question;
precarious,
critical,
ticklish;
slippery,
slippy;
hanging by a thread
etc.
v.;
with a halter round one's neck;
between the hammer and the anvil,
between Scylla and Charybdis,
between a rock and a hard place,
between the devil and the deep blue sea,
between two fires;
on the edge of a precipice,
on the brink of a precipice,
on the verge of a precipice,
on the edge of a volcano;
in the lion's den,
on slippery ground,
under fire;
not out of the wood.
unwarned,
unadmonished,
unadvised,
unprepared
etc.
674;
off one's guard
etc.
(inexpectant)
508†.
tottering;
unstable,
unsteady;
shaky,
top-heavy,
tumbledown,
ramshackle,
crumbling,
waterlogged;
helpless,
guideless†;
in a bad way;
reduced to the last extremity,
at the last extremity;
trembling in the balance;
nodding to its fall
etc.
(destruction)
162.
threatening
etc.
909;
ominous,
illomened;
alarming
etc.
(fear)
860;
explosive.
adventurous
etc.
(rash)
863,
(bold)
861.
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4 unstable
5 unstable
Disposed to psychological variability.
Polish: niestateczny
6 unstable
Subject to change; variable:
— Everything was unstable following the coup.
synonym: fluid.
Moby thesaurus: 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 ... show more.
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