| JALOUSING | • jalousing v. Present participle of jalouse. • JALOUSE v. (Scots) to suspect, also JEALOUSE. |
| JARGONELS | • jargonels n. Plural of jargonel. • JARGONEL n. (French) an early variety of pear, also JARGONELLE. |
| JELUTONGS | • jelutongs n. Plural of jelutong. • JELUTONG n. (Malay) a naturally occurring rubberlike substance, aka pontianak. |
| JOCKTELEG | • jockteleg n. (Scotland, archaic) A folding knife. • JOCKTELEG n. (Scots) a large clasp knife. |
| JODELLING | • jodelling v. Present participle of jodel. • JODEL v. (German) to sing with rapidly fluctuating pitch, also YODEL, YODLE. |
| JOLLEYING | • jolleying v. Present participle of jolley. • JOLLEYING n. using a jolley, a guide for fixing a pottery mould for plates. |
| JOLLYINGS | • jollyings n. Plural of jollying. • JOLLYING n. the act of making plates on a special potter's wheel. |
| JOLTINGLY | • joltingly adv. In a jolting way; with abrupt, uneven shakes or knocks. • JOLTINGLY adv. JOLTING. |
| JONGLEURS | • jongleurs n. Plural of jongleur. • JONGLEUR n. (French) a medieval wandering minstrel. |
| JOSHINGLY | • joshingly adv. In a joshing manner; teasingly. • JOSHINGLY adv. JOSHING. |
| JOSTLINGS | • jostlings n. Plural of jostling. • JOSTLING n. the act of jostling. |
| LOGJAMMED | • logjammed adj. Blocked by a logjam; delayed or impeded. • LOGJAM v. to cause a logjam. |
| LOGJUICES | • LOGJUICE n. (slang) bad port wine, as if coloured with logwood. |
| LONGJUMPS | • long␣jumps n. Plural of long jump. • long␣jumps v. Third-person singular simple present indicative form of long jump. • LONGJUMP v. to jump for distance from a running start. |
| MEGAJOULE | • megajoule n. (Metrology) An SI unit of energy equal to 106 joules. Symbol: MJ. • mega-joule n. One million ( 106 ) joules. Symbol: MJ. • MEGAJOULE n. a million joules. |
| OUTJUGGLE | • outjuggle v. (Transitive) To surpass in juggling. • OUTJUGGLE v. to surpass at juggling. |