noun
(law) A person or group of people constituting one side in a legal proceeding, such as in a legal action or a contract.
(dated, slang, vulgar or humorous) A person; an individual.
(now rare in general sense) A group of people forming one side in a given dispute, contest, etc., or united in maintaining a cause, policy, or opinion in opposition to others; a faction.
(military) A detachment of troops selected for a particular service or duty.
A group of people gathered together, especially temporarily, for a specific purpose such as travel or sport.
A small group of birds or mammals.
(obsolete) A part or portion.
(obsolete) A prospective partner or an offer of marriage.
(obsolete) A decision, resolution, agreement.
verb
(intransitive) To celebrate at a party, to have fun, to enjoy oneself.
(intransitive, slang, euphemistic) To take recreational drugs.
(intransitive) To engage in flings, to have one-night stands, to sow one's wild oats.
(online gaming, intransitive) To form a party (with).
adverb
(obsolete) Partly.
adjective
(obsolete, except in compounds) Divided; in part.
Favoring one party; partisan.