What does cluck mean?
"Cluck" is the short, guttural sound made by a domestic hen, used both as a verb — the hen clucks — and as a noun naming the sound itself. The word is onomatopoeic, echoing the very noise it describes. Beyond the farmyard, English speakers extend it figuratively: a worried relative might "cluck over" a scraped knee, or "cluck her tongue" in mild, fussing disapproval. In this human sense, clucking suggests fussy, well-meaning but sometimes condescending concern rather than serious criticism. In American slang, a "cluck" can also mean a foolish or inept person. Common pairings include "cluck over," "cluck in disapproval," and "cluck one's tongue." It should not be confused with "clock," which shares only its opening letters. The word is informal to neutral in register, vivid and evocative, lending warmth and colour to writing about both animals and human behaviour.
To make the short, low guttural cry typical of a hen; to utter a similar sound with the tongue to express mild disapproval or fussing concern.
"The old woman clucked sympathetically as she bandaged the boy's knee."
The short, guttural sound made by a hen, or a similar sound uttered by a person.
"We could hear the soft cluck of hens from the neighbouring yard."
Regular plural; used for repeated instances of the sound.
"The coop was full of gentle clucks and murmurs as dusk fell."
A mother hen's cluck isn't just chatter — hens begin teaching their chicks while they're still inside the egg, clucking to them through the shell.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cluck
"Cluck" is of imitative origin, formed directly from the sound a hen makes, and has been part of English since at least the early modern period, with recorded use from around the seventeenth century. As an onomatopoeic formation it has parallels across Germanic languages, such as Dutch "klokken", reflecting how widely the sound is rendered similarly. Its figurative application to human expressions of fussy concern developed later, extending the animal sound to human behaviour.
How cluck is actually used
The verb is largely imitative/onomatopoeic in feel and appears most naturally in rural, domestic, or figurative contexts. When applied to people, it usually carries a tone of fussy, often slightly condescending solicitude ('clucking over' someone) rather than anger. The US slang sense meaning a foolish person is informal.
Easily confused with cluck
A clock is a timekeeping device; 'cluck' is the short guttural sound a hen makes or an expression of mild disapproval.