Not normal; odd, unusual, surprising, out of the ordinary. Unfamiliar, not yet part of one's experience. (physics) Having the quantum mechanical property of strangeness. (mathematics) Of an attractor: having a fractal structure. (obsolete) Belonging to another country; foreign. (obsolete) Reserved; distant in deportment. (obsolete) Backward; slow. (obsolete) Not familiar; unaccustomed; inexperienced. (law) Not belonging to one. (obsolete, transitive) To alienate; to estrange. (obsolete, intransitive) To be estranged or alienated. (obsolete, intransitive) To wonder; to be astonished (at something). (slang, uncountable) vagina.