/ ˌdɪsəˈfektɪd; NAmE / adjective
no longer satisfied with your situation, organization, belief etc. and therefore not loyal to it :
Some disaffected members left to form a new party.
► dis·af·fec·tion / ˌdɪsəˈfekʃn; NAmE / noun [ U ]:
There are signs of growing disaffection amongst voters.
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WORD ORIGIN
mid 17th cent.: past participle of disaffect , originally in the sense dislike or disorder from dis- (expressing reversal) + affect pretend to have or feel (something) .