A persistent pessimistic or skeptical attitude. / A stubborn tendency to do the opposite of what one is asked.

(law) A tort cause of action that arises where a party is injured because the other party entrusted a dangerous instrumentality (such as a vehicle or a weapon) to a person whom the other party knew or reasonably should have known should not be trusted with that instrumentality.

anilingus.

(historical) A constituent state of Indonesia when it was under Dutch control.

plural of negara

(politics, law) A person who negotiates with a person, or groups of persons, for the release of a person, or groups of persons.

plural of negotiable instrument

Not negotiable; not subject to negotiation.

(logic) The statement that the negation of the negation of A implies A, for any proposition A. Stated symbolically: ¬¬A→A.

(law) The rule of law under which an act or omission of plaintiff is a contributing cause of injury and a possible bar to a complete recovery.