3 definitions found
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Instability \In'sta*bil"i*ty\, noun; pl. {Instabilities}. [L.
instabilitas: cf. F. instabilit['e].]
1. The quality or condition of being unstable; lack of
stability, firmness, or steadiness; liability to give way
or to fail; insecurity; precariousness; as, the
instability of a building.
2. Lack of determination of fixedness; inconstancy;
fickleness; mutability; changeableness; as, instability of
character, temper, custom, etc. --Addison.
Syn: Inconstancy; fickleness; changeableness; wavering;
unsteadiness; unstableness.
From WordNet (r) 2.0 [wn]:
instability
noun
1: an unstable order [ant: {stability}]
2: unreliability attributable to being unstable
3: a state of disequilibrium (as may occur in cases of inner
ear disease) [syn: {imbalance}, {unbalance}] [ant: {balance}]
4: the quality or attribute of being unstable and irresolute
[syn: {unstableness}] [ant: {stability}, {stability}]
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
146 Moby Thesaurus words for "instability":
ambitendency, ambivalence, caducity, capriciousness, chanciness,
change of mind, changeability, changeableness, choppiness,
corruptibility, criticalness, danger, dappleness, death,
decrepitude, delicacy, desultoriness, deviability, deviation,
difference, differentiation, disorder, divarication, divergence,
diversification, double-mindedness, doubtfulness, dubiety,
dubiousness, eccentricity, ephemerality, ephemeralness, erraticism,
evanescence, fence-sitting, fence-straddling, fickleness, finitude,
fleetingness, flightiness, freakishness, fugacity, hazard,
hazardousness, impermanence, impermanency, impulsiveness,
incapacity, inconsistency, inconstancy, indecision, indecisiveness,
inequality, infirmity, infirmity of purpose, insecurity,
insipidity, insolidity, insubstantiality, invalidism, irregularity,
irresolution, jerkiness, mercuriality, momentariness, moodiness,
mortality, motleyness, mugwumpery, mugwumpism, mutability,
nonconformism, nonconformity, nonstandardization, nonuniformity,
peril, perilousness, perishability, pluralism, precariousness,
raggedness, restlessness, ricketiness, risk, riskiness,
second thoughts, senility, shakiness, shiftiness, shiftingness,
slipperiness, speculativeness, sword of Damocles, tergiversation,
ticklish business, ticklishness, totteriness, touchiness,
transience, transiency, transientness, transitoriness,
treacherousness, treachery, unauthenticity, unauthoritativeness,
uncertainty, unconformism, unconformity, undecidedness,
undependability, undeterminedness, unevenness, unfaithworthiness,
unfirmness, unfixedness, unhealthiness, unorthodoxy,
unpredictability, unreliability, unsafeness, unsettledness,
unsettlement, unsolidity, unsoundness, unstableness,
unsteadfastness, unsteadiness, unsturdiness, unsubstantiality,
unsureness, untrustworthiness, vapidity, variability, variation,
variegation, variety, variousness, versatility, volatility,
wantonness, wateriness, wavering, waywardness, whimsicality,
wishy-washiness