- strangeNot normal; odd, unusual, surprising, out of the ordinary, often with a negative connotation.
- strangerA person whom one does not know; a person who is neither a friend nor an acquaintance.
- extraneousNot belonging to, or dependent upon, a thing; without or beyond a thing; foreign.
- estrangeTo cause to feel less close or friendly; alienate. To cease contact with (particularly of a family member or spouse, especially in form estranged).