Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia.
pair up (with someone)
to join with someone to make a pair. Sally decided to pair up with Jason for the dance contest. Sally and Jason paired up with each other.
1. To arrange some things or people in groups of two: The gym teacher paired up the students and started a badminton tournament. The organizer paired the volunteers up.
2. To form pairs or a pair: The dance students paired up and practiced waltzing. My best friend and I paired up when our class chose locker partners.