lack of enthusiasm

unwillingness; indisposition, indisposedness; disinclination, aversation; nolleity, nolition; renitence, renitency; reluctance; indifference; backwardness; slowness; want of alacrity, want of readiness; indocility (obstinacy)., scrupulousness, scrupulosity; qualms of conscience, twinge of conscience; delicacy, demur, scruple, qualm, shrinking, recoil; hesitation (irresolution); fastidiousness., averseness (dislike); dissent; refusal.

be unwilling; nill; dislike; 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; avoid., oppose; dissent; refuse.

unwilling; not in the vein, loth, loath, shy of, disinclined, indisposed, averse, reluctant, not content; adverse (opposed); laggard, backward, remiss, slack, slow to; indifferent; scrupulous; squeamish (fastidious); repugnant (dislike); restiff, restive; demurring; unconsenting (refusing); involuntary.

unwillingly; 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; a contre caeur; malgre soi; in spite of one's teeth, in spite of oneself; nolens volens (necessity); perforce; under protest; no; not for the world, far be it from me.