Roget's Thesaurus: Entry 605 (Irresolution)

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#605. Irresolution. -- N. irresolution, infirmity of purpose, indecision; indetermination, undetermination|!; unsettlement; uncertainty &c. 475; demur, suspense; hesitating &c. v., hesitation, hesitancy; vacillation; changeableness &c. 149; fluctuation; alternation &c. (oscillation) 314; caprice &c. 608.

fickleness, levity, legerete[Fr]; pliancy &c. (softness) 324; weakness; timidity &c. 860; cowardice &c. 862; half measures.

waverer, ass between two bundles of hay; shuttlecock, butterfly; wimp; doughface [obs][U. S.].

V. be irresolute &c. adj.; hang in suspense, keep in suspense; leave "ad referendum"; think twice about, pause; dawdle &c. (inactivity) 683; remain neuter; dillydally, hesitate, boggle, hover, dacker[obs], hum and haw, demur, not know one's own mind; debate, balance; dally with, coquet with; will and will not, chaser-balancer[obs]; go halfway, compromise, make a compromise; be thrown off one's balance, stagger like a drunken man; be afraid &c. 860; let "I dare not" wait upon "I would" [Macbeth]; falter, waver

vacillate &c. 149; change &c. 140; retract &c. 607; fluctuate; pendulate[obs]; alternate &c. (oscillate) 314; keep off and on, play fast and loose; blow hot and cold &c. (caprice) 608.

shuffle, palter, blink; trim.

Adj. irresolute, infirm of purpose, double-minded, half-hearted; undecided, unresolved, undetermined; shilly-shally; fidgety, tremulous; hesitating &c. v.; off one's balance; at a loss &c. (uncertain) 475.

vacillating &c. v.; unsteady &c. (changeable) 149; unsteadfast[obs], fickle, without ballast; capricious &c. 608; volatile, frothy; light, lightsome, light-minded; giddy; fast and loose.

weak, feeble-minded, frail; timid, wimpish, wimpy &c. 860; cowardly &c. 862; dough-faced [U.S.]; facile; pliant &c. (soft) 324; unable to say "no", easy-going

revocable, reversible.

Adv. irresolutely &c. adj.; irresolved[obs], irresolvedly[obs]; in faltering accents; off and on; from pillar to post; seesaw &c. 314.

Int. "how happy could I be with either!" [Gay].