The act of vibrating. The condition of being vibrated. Physics A rapid linear motion of a particle or of an elastic solid about an equilibrium position. Physics A periodic process. A single complete vibrating motion; a quiver. Slang A distinctive emotional aura or atmosphere regarded as being instinctively sensed or experienced. Often used in the plural: "Miami gives off the same vibrations, the same portent of disaster, but with a difference\u201d ( James Atlas).