<p><strong>Noun:</strong></p><ul><li>a social gathering, as of invited guests at a private home, for conversation, refreshments, entertainment, etc.: a cocktail party.</li><li>Synonyms: assemblage, meeting</li><li>a group gathered for a special purpose or task: a fishing party; a search party.</li><li>a detachment, squad, or detail of troops assigned to perform some particular mission or service.</li><li>a group of persons with common purposes or opinions who support one side of a dispute, question, debate, etc.</li><li>Synonyms: ring, coterie, circle, faction</li><li>a group of persons with common political opinions and purposes organized for gaining political influence and governmental control and for directing government policy: the Republican Party; the Democratic Party.</li><li>the system of taking sides on public or political questions or the like.</li><li>attachment or devotion to one side or faction; partisanship: to put considerations of party first.</li><li>Law. one of the litigants in a legal proceeding; a plaintiff or defendant in a suit.</li><li>a signatory to a legal instrument.</li><li>a person participating in or otherwise privy to a crime.</li><li>a person or group that participates in some action, affair, plan, etc.; participant: He was a party to the merger deal.</li><li>the person under consideration; a specific individual: The package was delivered to the wrong party.</li><li>a person or, usually, two or more persons together patronizing a restaurant, attending a social or cultural function, etc.: The headwaiter asked how many were in our party; a party of 12 French physicists touring the labs; a party of one at the small table.</li><li>a person participating in a telephone conversation: I have your party on the line.</li><li>any occasion or activity likened to a social party, as specified; session: The couple in the next apartment are having their usual dish-throwing party.</li><li>something lively, stimulating, or bustling: That plastic water bottle is a germ party.</li><li>It’s so delicious, it’s like a party in your mouth.</li><li>an advantageous or pleasurable situation or combination of circumstances of some duration and often of questionable character; period of content, license, exemption, etc.: The police broke in and suddenly the party was over for the nation's most notorious gunman.</li></ul><p><strong>Adjective:</strong></p><ul><li>of or relating to a party or faction; partisan: party leaders.</li><li>of or for a social gathering: her new party dress.</li><li>being shared by or pertaining to two or more persons or things.</li><li>Heraldry. (of an escutcheon) having the field divided into a number of parts, usually two; parted.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>Informal, partied, partying.</li><li>to go to or give parties, especially a series of parties.</li><li>to enjoy oneself thoroughly and without restraint; indulge in pleasure.</li></ul>