1) Against your better judgment 2) Against your will 3) Feebly 4) Grudgingly 5) Lackadaisically 6) Under duress 7) Unenthusiastically 8) Unwillingly 9) Weakly 10) With reluctance 1) Loathly 2) Unwillingly 
• (adv.) In a reluctant manner.
Re·luc'tant·ly adverb In a reluctant manner. 
[adv] - with reluctance
reluctantly A reference to not wanting to do something and therefore slow to do it.
adverb with reluctance