estrange
Concise Oxford English Dictionary © 2008 Oxford University Press:
estrange /ɪˈstreɪn(d)ʒ, ɛ-/
▶verb
- 1 cause to feel less close or friendly; alienate.
- 2 (as adj. estranged) (of a husband or wife) no longer living with their spouse.
– derivatives
estrangement noun.
estrangement noun.
– origin C15: from OFr. estranger, from L. extraneare ‘treat as a stranger’.
'estrange' also found in these Oxford entries:

