Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

indisposedness†; disinclination, aversation†; nolleity†, nolition†; renitence†, renitency; reluctance; indifference &c 866; backwardness &c adj.; slowness &c 275; want of alacrity, want of readiness; indocility &c (obstinacy) 606 [Obs.]. scrupulousness, scrupulosity; qualms of conscience, twinge of conscience; delicacy, demur, scruple, qualm, shrinking, recoil; hesitation &c (irresolution) 605; fastidiousness &c 868. averseness &c (dislike) 867 [Obs.]; dissent &c 489; refusal &c 764. V. be unwilling &c adj.; nill; dislike &c 867; grudge, begrudge; not be able to find it in one's heart to, not have the stomach to. demur, stick at, scruple, stickle; hang fire, run rusty; recoil, shrink, swerve; hesitate &c 605; avoid &c 623. oppose &c 708; dissent &c 489; refuse &c 764. Adj. unwilling; not in the vein, loth, loath, shy of, disinclined, indisposed, averse, reluctant, not content; adverse &c (opposed) 708; laggard, backward, remiss, slack, slow to; indifferent &c 866; scrupulous; squeamish &c (fastidious) 868; repugnant &c (dislike) 867; restiff†, restive; demurring &c v.; unconsenting &c (refusing) 764; involuntary &c 601. Adv. unwillingly &c adj.; grudgingly, with a heavy heart; with a bad, with an ill grace; against one's wishes, against one's will, against the grain, sore against one's wishes, sore against one's will, sore against one's grain; invita Minerva [Lat.]; a contre caeur [Fr.]; malgre soi [Fr.]; in spite of one's teeth, in spite of oneself; nolens volens &c (necessity) 601 [Lat.]; perforce &c 744; under protest; no &c 536; not for the world, far be it from me.