ritardando

This term is borrowed directly from Italian and is used primarily as a technical instruction in musical notation. It describes a fluid, continuous deceleration rather than an abrupt stop, creating a sense of tension, resolution, or emotional weight. In a professional orchestral or solo context, it is often abbreviated as "rit." on the score.

As a noun, it refers to the specific section of the music where this slowing occurs. As an adverb, it describes the manner in which the notes should be performed. Because it is a specialized musical term, it is rarely used outside of music theory or performance contexts and maintains a formal, technical register.