unwillingShe was unwilling to hand over the money.
loathformalI was loath to spend all the money at once.
balkThe MP balked at a proposal to raise council tax.
disinclinedI am disinclined to take on the extra work without more pay.
grudgingShe earned the grudging admiration of her colleagues for her discoveries.
begrudgingThe begrudging respect he had for her soon turned to outright devotion.