Word parts sell + -er Pronunciation (UK) IPA (key): /ˈsɛlə/ (US) enPR: sĕl-ər, IPA (key): /ˈsɛlɚ/ Audio (UK)(file) Homophone: cellar Noun Singular seller Plural sellers (countable) A seller is a person or thing that sells stuff. Synonyms: vendor, vender and trafficker Antonyms: buyer, purchaser, vendee and emptor That man is a seller of unusual items. The grocery store is a seller of food. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads