'Estranging' definitions:

Definition of 'estranging'

adjective

Making one feel out of place or alienated; "the landscape was estranging"

From: GCIDE

Estrange \Es*trange"\, v. t. [imp. & p. p. Estranged; p. pr. & vb. n. Estranging.] [OF. estrangier to remove, F. ['e]tranger, L. extraneare to treat as a stranger, from extraneus strange. See Strange.]
1. To withdraw; to withhold; hence, reflexively, to keep at a distance; to cease to be familiar and friendly with. [1913 Webster]
We must estrange our belief from everything which is not clearly and distinctly evidenced. --Glanvill. [1913 Webster]
Had we . . . estranged ourselves from them in things indifferent. --Hooker. [1913 Webster]
2. To divert from its original use or purpose, or from its former possessor; to alienate. [1913 Webster]
They . . . have estranged this place, and have burned incense in it unto other gods. --Jer. xix. 4. [1913 Webster]
3. To alienate the affections or confidence of; to turn from attachment to enmity or indifference. [1913 Webster]
I do not know, to this hour, what it is that has estranged him from me. --Pope. [1913 Webster]
He . . . had pretended to be estranged from the Whigs, and had promised to act as a spy upon them. --Macaulay. [1913 Webster]