"estranging" in the verb sense
1. estrange
remove from customary environment or associations
"years of boarding school estranged the child from her home"
2. estrange, alienate, disaffect
arouse hostility or indifference in where there had formerly been love, affection, or friendliness
"She alienated her friends when she became fanatically religious"
"estranging" in the adjective sense
1. estranging
making one feel out of place or alienated
"the landscape was estranging"
Source: WordNet® (An amazing lexical database of English)
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