1. One that is united or associated with another or others in an activity or a sphere of common interest, especially:
a. A member of a business partnership.
b. A spouse.
c. A domestic partner.
d. A lover.
e. Either of two persons dancing together.
f. One of a pair or team in a sport or game, such as tennis or bridge.
2. often partners Nautical A wooden framework used to strengthen a ship's deck at the point where a mast or other structure passes through it.
v. part·nered, part·ner·ing, part·ners
To become partners or work or associate as partners: partnered with a friend in a new venture.
To be or make a partner of: She was partnered with her brother in the canoe race.
[Middle English partener, alteration (influenced by part, part) of parcener, parcener; see PARCENER.]
Synonyms: partner, colleague, ally, confederate
These nouns all denote one who is united or associated with another, as in a venture or relationship. A partner participates in a relationship in which each member has equal status: a partner in a law firm. A colleague is an associate in an occupation or a profession: a colleague and fellow professor. An ally is one who associates with another, at least temporarily, in a common cause: countries that were allies in World War II. A confederate is a member of a confederacy, league, or alliance or sometimes a collaborator in a suspicious venture: confederates in a scheme to oust the chairman.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.