J

jargon n. Confused, unintelligible speech or highly technical speech.
jaundice n. A morbid condition, due to obstructed excretion of bile or characterized by yellowing of the skin.
jeopardize v. To imperil.
Jingo n. One of a party in Great Britain in favor of spirited and demonstrative foreign policy.
jocose adj. Done or made in jest.
jocular adj. Inclined to joke.
joggle n. A sudden irregular shake or a push causing such a shake.
journalize v. To keep a diary.
jovial adj. Merry.
jubilation n. Exultation.
judgment n. The faculty by the exercise of which a deliberate conclusion is reached.
judicature n. Distribution and administration of justice by trial and judgment.
judicial adj. Pertaining to the administration of justice.
judiciary n. That department of government which administers the law relating to civil and criminal justice.
judicious adj. Prudent.
juggle v. To play tricks of sleight of hand.
jugglery n. The art or practice of sleight of hand.
jugular adj. Pertaining to the throat.
juicy adj. Succulent.
junction n. The condition of being joined.
juncture n. An articulation, joint, or seam.
junta n. A council or assembly that deliberates in secret upon the affairs of government.
juridical adj. Assumed by law to exist.
jurisdiction n. Lawful power or right to exercise official authority.
jurisprudence n. The science of rights in accordance with positive law.
juror n. One who serves on a jury or is sworn in for jury duty in a court of justice.
joust v. To engage in a tilt with lances on horseback.
justification n. Vindication.
juvenile adj. Characteristic of youth.
juxtapose v. To place close together.