| JACKSTAYS | • jackstays n. Plural of jackstay. • JACKSTAY n. an iron or wooden bar running along the yard of a ship to which sails are fastened. |
| JAYHAWKER | • jayhawker n. (Historical) An abolitionist raider in the Kansas–Missouri border skirmishes during the American Civil War. • jayhawker n. Any robber or bandit. • JAYHAWKER n. a name given to a freebooting, un-enlisted, armed man or guerrilla in the American Civil War. |
| JAYWALKED | • jaywalked v. Simple past tense and past participle of jaywalk. • JAYWALK v. to cross a street carelessly. |
| JAYWALKER | • jaywalker n. A person who violates pedestrian traffic regulations by crossing a street away from a designated crossing… • jay-walker n. Alternative spelling of jaywalker. • JAYWALKER n. one who walks in the road rather than on the pavement. |
| JELLYLIKE | • jellylike adj. Resembling or characteristic of jelly. • JELLYLIKE adj. like a jelly. |
| JERKINGLY | • jerkingly adv. With jerking motions; unsteadily. • JERKING adv. jerky. |
| JOCKEYING | • jockeying v. Present participle of jockey. • jockeying n. The act of one who jockeys. • JOCKEY v. to maneuver for position. |
| JOCKEYISH | • JOCKEYISH adj. like a jockey. |
| JOCKEYISM | • jockeyism n. The practice or techniques of jockeys; the skill of riding a horse in a race. • JOCKEYISM n. the practice of jockeys. |
| JONNYCAKE | • jonnycake n. Alternative spelling of johnnycake. • JONNYCAKE n. a kind of bread made of the meal of maize (Indian corn), mixed with water or milk, etc., and baked, also JOHNNYCAKE. |
| JOYSTICKS | • joysticks n. Plural of joystick. • JOYSTICK n. the control stick in an airplane. |
| JUNKYARDS | • junkyards n. Plural of junkyard. • JUNKYARD n. a yard where junk is stored. |
| OUTJOCKEY | • outjockey v. (Transitive) To outdo; to outvie. • OUTJOCKEY v. to surpass in jockeying. |
| SKYJACKED | • skyjacked v. Simple past tense and past participle of skyjack. • SKYJACK v. to hijack an airplane. |
| SKYJACKER | • skyjacker n. A person who commits skyjacking, who skyjacks. • SKYJACKER n. one who skyjacks, hijacks an aeroplane. |