1. Double; formed by reduplication; reduplicate

Encyclopedia: Reduplicative

• jump for joy
• jump lead
• jump off
• jump on
• jump out
• jump out of one's skin
• jump rope
• jump seat
• jump shot
• jump the gun
• jumped-up
• jumper
• jumper cable
• jumper lead
• jumpiness
• jumping
• jumping bean
• jumping bristletail
• jumping gene
• jumping jack
• jumping mouse
• jumping orchid
• jumping plant louse
• jumping seed
• jumping up and down