unlove
1 of 2verb
un·love
"+
transitive verb
: to cease to love
he must not unlove her but he must certainly leave her 
Delineator
Delineatorintransitive verb
: to stop loving something
he can … unlove so easily Robert Hichens
Robert Hichensunlove
2 of 2noun
un·love
ˈənˌləv
: absence of love : hate
after months of gnawing unlove Martha Gellhorn
Martha Gellhorn
Word History
Etymology
Verb
Middle English unloven, from un- entry 2 + loven to love
Noun
un- entry 1 + love, noun