clap

To clap is to bring your palms together sharply, creating a short, percussive sound. We often clap our hands to show appreciation—think of the end of a great performance! But it isn’t always about applause. You might clap during a song to keep the beat, or hear a sudden clap of thunder during a storm. The word can be used as both an action and a noun, describing a single burst of sound and energy.

Clapping is the act of striking your palms together to create a sharp, rhythmic sound. Most commonly, we associate clapping with applause—a way to express approval or admiration for a performance, speech, or achievement. After a particularly moving piano concerto, you'd likely join in the clapping with everyone else in the audience to show your support.

However, clapping isn't limited to showing appreciation. It can also be used rhythmically, like when children clap along to nursery rhymes or musicians use handclaps as a percussive element in a song. Beyond the hands, the word is used to describe sudden, explosive noises, such as a "clap of thunder" or the sharp sound of two objects colliding. You might also "clap" someone on the back in a friendly, energetic greeting.

The word functions as both a verb ("She clapped her hands in delight") and a noun ("a loud clap of thunder"). In informal English, *the clap is slang for gonorrhea (a sexually transmitted infection), and to clap back* means to reply sharply to criticism. Whether it's a celebratory burst of applause, a rhythmic beat, or an unexpected noise, "clap" is a versatile word connected to sound, rhythm, and expression.