party

noun

1. A person or group of people constituting one side in a legal proceeding, such as in a legal action or a contract. .mw-parser-output .defdate{font-size:smaller}

   “The contract requires that the party of the first part pay the fee.”

2. A person; an individual.

   “He is a queer party.”

3. With to: someone who takes part in an action or affair; an accessory.

   “I can't possibly be (a) party to that kind of reckless behaviour.”

4. 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. A political group considered as a formal whole, usually organized on a national basis, which contests elections and aims to form or take part in a government; a political party.

   “The green party took 12% of the vote.”

verb

1. To celebrate at a party, to have fun, to enjoy oneself.

   “We partied until the early hours.”

2. To take recreational drugs.

3. To engage in flings, to have one-night stands, to sow one's wild oats.

4. To form a party (with).

   “If you want to beat that monster, you should party with a healer.”

adverb

1. Partly.

adjective

1. Divided; in part. Divided into parts of different tinctures, usually equal, and especially following the lines of one of the ordinaries.

   “an escutcheon party per pale”

2. Divided into parts of different tinctures, usually equal, and especially following the lines of one of the ordinaries.

   “an escutcheon party per pale”

3. Shared by two properties and serving to divide them.

4. (clarification of this definition is needed) Favoring one party; partisan.