inconstant

I

(New American Roget's College Thesaurus)

adj. unstable, irregular; fickle, changeable, faithless. See changeableness.Ant., constant, unchanging.

II

(Roget's IV) modif.

Syn. changeable, fickle, variable, capricious, unstable; see also changeable 1 , 2 .

Syn.- inconstant implies an inherent tendency to change or a lack of steadfastness [ an inconstant lover ] ; fickle suggests an even greater instability or readiness to change, especially in affection [ spurned by a fickle public ] ; capricious implies an instability or irregularity that seems to be the product of whim, chance, or erratic impulse [ a capricious climate ] ; unstable implies a liability to change, and in reference to persons applies to one who is emotionally unsettled or variable [ an unstable person laughs and cries easily ]

III

(Roget's 3 Superthesaurus) a.

irregular, erratic, variable, unstable, changing, intermittent, unsteady, fickle.

ANT.: constant, steady, stable

IV

(Roget's Thesaurus II) adjective 1. Capable of or liable to change: alterable, changeable, fluid, mutable, uncertain, unsettled, unstable, unsteady, variable, variant. Archaic: various. See CHANGE. 2. Following no predictable pattern: capricious, changeable, erratic, fantastic, fantastical, fickle, freakish, inconsistent, mercurial, temperamental, ticklish, uncertain, unpredictable, unstable, unsteady, variable, volatile, whimsical. See CHANGE, CONTINUE.