1. one associated with another especially in an action associate, colleague
our military partners throughout the world
2. a person with whom one shares an intimate relationship one member of a couple
Evan and his partner are going on a Caribbean cruise.
3. either of two persons who dance together
4. one of two or more persons who play together in a game against an opposing side
partners in card games
5. a member of a partnership especially in a business
partners in a law firm also such membership
6. one of the heavy timbers that strengthen a ship's deck to support a mast —usually used in plural
7. one that shares partaker
8. to join as a partner
9. to join or associate with another as partner
10. to provide with a partner
11. someone's husband or wife or the person someone has sexual relations with
12. one of two or more people, businesses, etc., that work together or do business together
13. someone who participates in an activity or game with another person
14. to be or become a partner to join with someone or something as a partner
15. a person who does or shares something with another
You are my favorite dancing partner.
16. either one of a married couple
17. someone who plays with another person on the same side in a game
a tennis partner
18. one of two or more people who run a business together
19. one of two or more persons associated as joint principals in carrying on a business for the purpose of enjoying a joint profit a member of a partnership specifically a partner in a law firm — dormant partner silent partner in this entry
20. a partner whose liability for partnership debts and obligations is unlimited — compare limited partner in this entry
21. a partner in a venture who has no management authority and whose liability is limited to the amount of his or her investment — compare general partner in this entry
22. limited partner in this entry
23. a partner who takes no active part in conducting the partnership business but who receives a share of its profits and whose existence is often not made public — called also dormant partner