| JARTAS | • JARTA n. (Old Norse) heart, used as term of endearment in the Shetlands, also YARTA, YARTO. |
| JESTER | • jester n. One who jests, jokes or teases. • jester n. A person in colourful garb and fool’s cap who amused a medieval and early modern royal or noble court. • jester n. Any of various nymphalid butterflies of the Southeast Asian genus Symbrenthia. |
| JILTER | • jilter n. One who jilts another. • JILTER n. one who jilts. |
| JITTER | • jitter n. A nervous action; a tic. • jitter n. (Chiefly in the plural, often with "the") A state of nervousness. • jitter n. (Telecommunications) An abrupt and unwanted variation of one or more signal characteristics. |
| JOLTER | • jolter n. One who, or that which, jolts. • JOLTER n. one who, or that which, jolts. |
| JOTTER | • jotter n. A memorandum book. • jotter n. Someone who jots. • JOTTER n. one that jots; a pad for jotting. |
| JUMART | • jumart n. The fabled offspring of a bull and a mare. • JUMART n. the supposed offspring of a bull and a mare. |
| JURANT | • jurant adj. Under oath; swearing. • jurant n. One who has taken an oath, especially a religious one. • JURANT n. one who takes an oath. |
| JURATS | • jurats n. Plural of jurat. • JURAT n. (Latin) a memorandum at the end of an affidavit showing to whom it was sworn. |
| JURIST | • jurist n. (Law) An expert of law or someone who researches jurisprudence. • jurist n. (US, Canada, law) A judge. • JURIST n. one versed in the law. |
| JUSTER | • juster adj. Comparative form of just: more just. • juster n. Obsolete form of jouster. • JUSTER n. one who tilts with lances, also JOUSTER. |
| PROJET | • projet n. A plan proposed; a draft of a proposed measure; a project. • PROJET n. (French) a draft of a proposed measure; a project. |
| RAMJET | • ramjet n. (Aeronautics) A jet engine in which forward motion forces air into an inlet, compressing it (as opposed… • RAMJET n. a type of engine. |
| REJECT | • reject v. (Transitive) To refuse to accept. • reject v. (Basketball) To block a shot, especially if it sends the ball off the court. • reject v. To refuse a romantic advance. |
| TRIJET | • trijet n. (Aviation) An aircraft powered by three jet engines. • trijet n. (Physics) Three jets of particles from an event or source. • TRIJET n. an aeroplane powered by three jet engines. |
| TROJAN | • trojan n. (Computing) Malware that appears to perform or actually performs a desired task for a user while performing… • trojan adj. (Astronomy) Describing a satellite (moon or minor planet) that shares an orbit with another. • trojan v. (Computing, transitive) To infect (a system) with a trojan. |