"Estrange" derives from Old French "estrangier," from Latin "extraneus" (foreign), meaning to alienate or make distant and unfriendly. While not exclusively archaic, its use in poetry often carries formal weight appropriate to discussions of emotional distance, political alienation, or spiritual separation. Characters become estranged from families, lovers, homelands, or selves through betrayal, time, or circumstance. Poets valued the word's ability to capture both the process of growing distant and the resulting state of alienation. Its Latin roots gave it learned dignity suitable for formal verse exploring themes of belonging, exile, and isolation. The term suggests gradual transformation from familiar to foreign, intimate to hostile, making it powerful for narratives of loss and change. Its continuing comprehensibility combined with slightly elevated register makes it effective in both archaic and modern contexts.

Estrange appears throughout literature describing alienation in relationships, both personal and political. The term suggests active distancing or growing apart, with causes ranging from deliberate acts to gradual drift. Shakespeare employs it for family discord, political exile, and romantic cooling. Related to "strange" (foreign, unknown) and "estrangement" (noun). Etymology from Latin "extraneus" (external, foreign). Essential for analyzing relationship dynamics, exile themes, and the construction of otherness. The term implies previous closeness, distinguishing it from "alien" which suggests no prior connection. Useful for discussing family conflicts, political banishment, romantic betrayals, and how literature represents the process of becoming foreign to those once familiar. Modern psychology's "alienation" concept relates but lacks the personal relationship focus.