par·ty (pär?t?)n. pl. par·ties 1. A social gathering especially for pleasure or amusement: a birthday party.2. a. A group of people who have gathered to participate in an activity: a search party.b. A group of soldiers selected for a duty or mission: a raiding party.3. An established political group organized to promote and support its principles and candidates for public office.4. a. A person or group involved in an enterprise; a participant or accessory: I refuse to be a party to your silly scheme.b. Law A person or entity that participates in a transaction, makes a contract, or is involved in a lawsuit as a litigant.5. a. A subscriber to a telephone party line.b. A person using a telephone.6. A person: “And though Grainger was a spry old party, such steps couldn’t be his” (Anthony Hyde).adj.1. Of, relating to, or participating in an established political organization: party members; party politics.2. Suitable for use at a social gathering: party dresses; a party hat.3. Characteristic of a pleasurable social gathering: a party atmosphere.intr.v. par·tied, par·ty·ing, par·ties To celebrate or carouse at a party or similar gathering: That night we partied until dawn.[Middle English partie, part, side, group, from Old French, from feminine past participle of partir, to divide, from Latin part?re, from pars, part-, part; see part.]par?ti·er, par?ty·er n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.party (?p??t?) n, pl -ties1. a. a social gathering for pleasure, often held as a celebrationb. (as modifier): party spirit. c. (in combination): party-giver. 2. (Sociology) a group of people associated in some activity: a rescue party. 3. (Government, Politics & Diplomacy) a. (often capital) a group of people organized together to further a common political aim, such as the election of its candidates to public officeb. (as modifier): party politics. 4. (Government, Politics & Diplomacy) the practice of taking sides on public issues5. a person, esp one who participates in some activity such as entering into a contract6. (Law) the person or persons taking part in legal proceedings, such as plaintiff or prosecutor: a party to the action. 7. informal jocular a person: he’s an odd old party. 8. come to the party to take part or become involvedvb (intr) , -ties, -tying or -tiedinformal to celebrate; reveladj (Heraldry) heraldry (of a shield) divided vertically into two colours, metals, or furs[C13: from Old French partie part, faction, from Latin part?re to divide; see part]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014par?ty (?p?r ti) n., pl. -ties, n. 1. a social gathering for conversation, refreshments, entertainment, etc. 2. a group gathered for some special purpose or task: a search party. 3. a group of persons who support one side of a dispute, question, etc. 4. a political group organized for gaining political influence and governmental control and for directing government policy. 5. a person or group that participates in some action, affair, or plan: He was a party to the merger deal. 6. a. one of the litigants in a legal proceeding; a plaintiff or defendant. b. a signatory to a legal instrument. 7. a detail of troops. 8. a specific individual. adj. 9. of or pertaining to a party or faction; partisan: party leaders. 10. of or for a social gathering: a party dress. v.i. 11. to go to or give parties. 12. to revel; carouse. [1250?1300; Middle English partie A party is a social event where people enjoy themselves by eating, drinking, dancing, talking, or playing games. You use have, give, or throw to say that someone organizes a party.Be Careful!Don’t use ‘make’. Don’t say, for example, ‘We are making a party’.