Added 1 October 2026 clunk /klʌŋk/ noun Categories: ActionsRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about clunk at Wordnik → Where our words come from → A dull, metallic sound, especially one made by two bodies coming into contact. The sound of liquid coming out of a bottle, etc.; a glucking sound. dull; foolish; stupid or silly person. verb To make such a sound. Her old bicycle was clunking along the road. Origin Onomatopoeic. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: thudthumpplunkclumpclopthumpingquietklunkclonkclackclankingclattering Back to today's word