Roget's Thesaurus: Entry 149 (Changeableness)

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#149. Changeableness. -- N. changeableness &c. adj.; mutability, inconstancy; versatility, mobility; instability, unstable equilibrium; vacillation &c. (irresolution) 605; fluctuation, vicissitude; alternation &c. (oscillation) 314. restlessness &x. adj. fidgets, disquiet; disquietude, inquietude; unrest; agitation &c. 315.

moon, Proteus, chameleon, quicksilver, shifting sands, weathercock, harlequin, Cynthia of the minute, April showers[obs]; wheel of Fortune; transientness &c. 111[obs].

V. fluctuate, vary, waver, flounder, flicker, flitter, flit, flutter, shift, shuffle, shake, totter, tremble, vacillate, wamble[obs], turn and turn about, ring the changes; sway to and fro, shift to and fro; change and change about; waffle, blow with the wind (irresolute) 605; oscillate &c. 314; vibrate between, two extremes, oscillate between, two extremes; alternate; have as man phases as the moon.

Adj. changeable, changeful; changing &c. 140; mutable, variable, checkered, ever changing; protean, proteiform|; versatile.

unstaid[obs], inconstant; unsteady, unstable, unfixed, unsettled; fluctuating &c. v.; restless; agitated &c. 315; erratic, fickle; irresolute &c. 605; capricious &c. 608; touch and go; inconsonant, fitful, spasmodic; vibratory; vagrant, wayward; desultory; afloat; alternating; alterable, plastic, mobile; transient &c. 111; wavering.

Adv. seesaw &c. (oscillation) 314; off and on. Phr. "a rolling stone gathers no moss"; pictra mossa non fa muschis[It]; honores mutant mores[Lat]; varium et mutabile semper femina [Lat][Vergil].