Word parts jump + -er Pronunciation (UK) IPA (key): /ˈd͡ʒʌmpə/ (US) IPA (key): /ˈd͡ʒʌmpɚ/ Audio (US)(file) Audio (AU)(file) Noun Singular jumper Plural jumpers (countable) A garment that covers the body and arm, another word for sweater. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads