Open English Wordnet
Nouns
(n)disinclinationthat toward which you are inclined to feel dislike“his disinclination for modesty is well known”
(n)reluctance, hesitancy, hesitation, disinclination, indispositiona certain degree of unwillingness“a reluctance to commit himself”, “his hesitancy revealed his basic indisposition”, “after some hesitation he agreed”