We found 11 dictionaries that define the word pair up:

General (7 matching dictionaries)

1. pair up: Longman Dictionary of Contemporary English
2. pair up: Merriam-Webster
3. pair up: Cambridge Advanced Learner's Dictionary
4. pair up: Wiktionary
5. pair up: TheFreeDictionary.com

Business (1 matching dictionary)

6. pair up: Legal dictionary

Computing (1 matching dictionary)

7. pair up: Encyclopedia

Medicine (1 matching dictionary)

8. pair up: Medical dictionary

Miscellaneous (1 matching dictionary)

9. pair up: Idioms

Definitions from Wiktionary (pair up) ▸ verb:  (transitive) To put into pairs; to put into a group of two. ▸ verb:  (intransitive) To get into pairs; to join together to make a group of two. Similar: pair, couple up, match up, geminate, mate, fellow, twin, double, intercouple, double-team, more... Phrases: Civil Servant-Family Pair Up, pair up again, more... ▸ Words similar to pair up ▸ Usage examples for pair up ▸ Idioms related to pair up ▸ Wikipedia articles (New!) ▸ Words that often appear near pair up ▸ Rhymes of pair up ▸ Invented words related to pair up