estranged
Definitions
No longer close or affectionate to someone; alienated.
No longer living with one's spouse.
No longer connected or involved with something formerly familiar.
Examples
After years of silence, he finally reached out to his estranged brother to reconcile.
The once-close friends became estranged after a bitter disagreement over their business venture.
Synonyms
alienated distanced divorced disaffected severed detached isolated
Antonyms
reconciled united connected attached close friendly harmonious