disinclination

ˌdɪsɪnklɪˈneɪʃ(ə)n

noun

a reluctance or lack of enthusiasm.

Lucy felt a strong disinclination to talk about her engagement

reluctance,unwillingness,lack of enthusiasm,indisposition,slowness,hesitancy,hesitance,diffidence,loathness,aversion,dislike,distaste,objection,demur,resistance,opposition,recalcitrance,disrelish,nolition,sweerness