glissando

Imagine a pianist brushing a hand across the keys or a harpist sweeping through the strings. That is a glissando: a quick slide through a series of notes that creates a smooth rising or falling effect. In music, the point is not each note by itself, but the flowing motion from one pitch area to another. You will see the word most often in musical settings, though it can sometimes be used in a playful, metaphorical way for a smooth shift. The core idea is simple: a sliding musical sound.

A glissando (pronounced glih-SAN-doh) is a musical effect in which the sound moves smoothly up or down through a range of notes. You can hear it when a pianist runs a hand across the keys, a harpist sweeps across the strings, a trombonist moves the slide, or a string player lets a finger glide along the string. In some instruments, the notes are heard as a very fast series; in others, the change sounds nearly continuous. In both cases, the effect is that of a slide rather than a set of separate, carefully stressed notes. The term comes from Italian and is related to the idea of sliding.

In music, a glissando adds motion, color, and drama. It can sound playful, dreamy, flashy, or even unsettling, depending on the instrument and the moment. Composers and performers use it to connect notes in a vivid way or to make a passage shimmer, rush, or swoop.

Outside music, the word is sometimes used metaphorically for a smooth shift or sweep, but that use is much less common than the musical one. So if you are learning this word, the safest and most useful meaning is musical: a sliding movement through notes that creates a flowing rise or fall in sound.