Definitions for unstableʌnˈsteɪ bəl

un•sta•bleʌnˈsteɪ bəl(adj.)

not stable; not firm or firmly fixed; unsteady.
liable to change or fluctuate quickly:
an unstable weather pattern.
marked by emotional instability.
unsteadfast; inconstant; wavering.
irregular in movement.
noting chemical compounds that readily decompose or change into other compounds.
Category: Chemistry

1175–1225

un•sta′bly(adv.)

unstable(adj)
lacking stability or fixity or firmness
"unstable political conditions"; "the tower proved to be unstable in the high wind"; "an unstable world economy"
unstable(adj)
highly or violently reactive
"sensitive and highly unstable compounds"
precarious, unstable(adj)
affording no ease or reassurance
"a precarious truce"
mentally ill, unsound, unstable(adj)
suffering from severe mental illness
"of unsound mind"
unstable(adj)
disposed to psychological variability
"his rather unstable religious convictions"
fluid, unstable(adj)
subject to change; variable
"a fluid situation fraught with uncertainty"; "everything was unstable following the coup"

unstable(adjective)ʌnˈsteɪ bəl
≠ stable
an unstable economy/market; The newly formed democracy is very unstable.
unstableʌnˈsteɪ bəl
≠ stable
The roof is unstable because of fire damage.
unstableʌnˈsteɪ bəl
≠ stable
crimes committed by an unstable young man

Unstable(adj)
not stable; not firm, fixed, or constant; subject to change or overthrow

Citation

"unstable." Definitions.net. STANDS4 LLC, 2013. Web. 22 May 2013. <http://www.definitions.net/definition/unstable>.