unstable


unstable
I
(New American Roget's College Thesaurus)
adj. irregular, fluctuating, unsteady; inconstant, vacillating, fickle, changeable, variable. See changeableness.
II
(Roget's IV) modif.
1. [Having a high center of gravity]
Syn. unsteady, wavering, unbalanced, giddy, wobbly, wiggly, weaving, shifty, precarious, top-heavy, teetering, shifting, uncertain, rattletrap, beetling, jutting, lightly balanced.
Ant. firm*, steady, solid.
2. [Easily disturbed]
Syn. variable, changeable, inconstant, giddy, capricious, fluctuating, shifty, volatile, rootless, dizzy, unpredictable, uncertain, sensitive, oversensitive, thin-skinned, timid, delicate.
3. [Subject to fission]
Syn. fissionable, fissiparous, fractionable; see weak 2 .
See Synonym Study at inconstant .
III
(Roget's 3 Superthesaurus) a.
1. unfixed unsteady, unbalanced, variable, wobbling, shaky, rickety, teetering, unanchored.
2. changeable erratic, capricious, fickle, unpredictable, mercurial, vacillating, volatile.
ANT.: 1. fixed, rock-solid, anchored, secure. 2. constant, steady, unchanging
IV
(Roget's Thesaurus II) adjective 1. Capable of or liable to change: alterable, changeable, fluid, inconstant, mutable, uncertain, unsettled, unsteady, variable, variant. Archaic: various. See CHANGE. 2. Following no predictable pattern: capricious, changeable, erratic, fantastic, fantastical, fickle, freakish, inconsistent, inconstant, mercurial, temperamental, ticklish, uncertain, unpredictable, unsteady, variable, volatile, whimsical. See CHANGE, CONTINUE. 3. Lacking stability: infirm, insecure, precarious, shaky, tottering, tottery, unsteady, unsure, weak, wobbly. See CHANGE, STRONG. 4. Not physically steady or firm: precarious, rickety, shaky, tottering, tottery, unsteady, wobbly. See FLEXIBLE.

English dictionary for students. 2013.

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Look at other dictionaries:

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