The noun disinclination means a feeling of not wanting to do something.
Synonyms are alienation, antipathy, aversion, or disfavor.
The word origins in 1640s. It comes from the Latin prefix dis- meaning “apart” plus inclination meaning “urge to act”.
The young people are showing a marked disinclination to pursue these opportunities.
I have a strong disinclination to do any of these works today.
The whole class admired exotic Sam but felt a strange disinclination to mention his name.