A reprise is a term used in music to refer to the repetition or reiteration of the opening material later in a composition, as occurs in the recapitulation of sonata form. It can also refer to any repeated section, such as is indicated by beginning and ending repeat signs. In musical theatre, reprises are any repetition of an earlier song or theme, usually with changed lyrics and shortened music to reflect the development of the story. A partial or abbreviated reprise is known as a petite reprise. In literature, the term reprise has been borrowed from musical terminology to be used in literary criticism.

According to Merriam-Webster, a reprise can also refer to a repeated performance or a recurrence, renewal, or resumption of an action. It can also mean a deduction or charge made yearly out of a manor or estate. The verb "to reprise" means to repeat the performance of or to repeat the principal points or stages of.

In summary, a reprise is a repetition of musical material heard earlier in a composition, album, or live performance. It can also refer to a repeated performance or a recurrence of an action.