English Reference
noun · verb

riff

n. · v.
US /ˈɹɪf/ UK /ɹˈɪf/ riff UK spelling Riffs

  1. 01 B2 Upper Intermediate Music

    n.a short, catchy part of a song that is repeated many times.

    n.a short, repeated melodic or rhythmic phrase, often serving as the hook or foundation of a track.

    Simple

    The guitarist played a famous riff that everyone in the crowd recognized immediately.

    In context

    The song is built around a heavy, distorted bass riff that provides a dark foundation for the ethereal vocals.

    Usage

    Commonly used with the verbs 'play', 'write', or 'create'.

  2. 02 C1 Advanced Informal

    v.to talk or perform freely by building on an idea or a theme.

    v.to perform or speak in an improvisational manner, typically by expanding upon a specific topic or motif.

    Simple

    The comedian started to riff on the strange decorations in the hotel lobby.

    In context

    During the interview, the director began to riff on the future of cinema, moving effortlessly from technical specs to philosophical questions.

    Usage

    Usually takes the preposition 'on'.

In the space downstairs, it’s all hyper-referential, full of riffs on Brancusi and Hepworth.

The Guardian· 14 Aug 2026
This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated