alienation

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The act of alienating or the condition of being alienated; estrangement.
• noun Emotional isolation or dissociation.
• noun Law The act of transferring property or title to it to another.

from The Century Dictionary.

• noun The state in which a person has completely forgotten his identity and becomes a new person, alien to his former self.
• noun The act of alienating, or the state of being alienated.
• noun The diversion of lands from ecclesiastical to secular ownership.
• noun A withdrawing or an estrangement, as of feeling or the affections.
• noun Deprivation, or partial deprivation, of mental faculties; derangement; insanity.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act of alienating, or the state of being alienated.
• noun (Law) A transfer of title, or a legal conveyance of property to another.
• noun A withdrawing or estrangement, as of the affections.
• noun Mental alienation; derangement of the mental faculties; insanity.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The act of alienating.
• noun The state of being alienated.
• noun Emotional isolation or dissociation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the action of alienating; the action of causing to become unfriendly
• noun separation resulting from hostility
• noun the feeling of being alienated from other people
• noun (law) the voluntary and absolute transfer of title and possession of real property from one person to another