Jilt
Definition 1 of 2

Emotional Impact
Using 'jilt' implies a strong emotional hurt or betrayal.

He never recovered after she jilted him.
Suddenness Key
'Jilt' particularly stresses the suddenness of the rejection.

She jilted her fiancé a day before the wedding.
Not Casual
'Jilt' is used for serious commitments, not casual dating.

She wouldn't jilt him over a simple argument.
Compare with
abandonbetraydesertdiscarddumpforsakeleavereject
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