disaffect

[dis-uh-fekt] /ˌdɪs əˈfɛkt/
verb (used with object)
1.
to alienate the affection, sympathy, or support of; make discontented or disloyal:
The dictator's policies had soon disaffected the people.
Origin
1615-25; dis-1 + affect2
Synonyms
See estrange.
British Dictionary definitions for disaffect

disaffect

/ˌdɪsəˈfɛkt/
verb
1.
(transitive; often passive) to cause to lose loyalty or affection; alienate
Derived Forms
disaffectedly, adverb
disaffectedness, noun
Word Origin and History for disaffect
v.

1610s, from dis- + affect (v.1). Related: Disaffected; disaffecting.