| JALAPENOS | • jalapenos n. Plural of jalapeno. • jalapeños n. Plural of jalapeño. • JALAPENO n. (Spanish) an especially hot type of Capsicum pepper. |
| JALOPPIES | • jaloppies n. Plural of jaloppy. • JALOPPY n. a decrepit car, also JALOPY. |
| JAPONICAS | • japonicas n. Plural of japonica. • JAPONICA n. any of several plants native to Japan, esp. the Japanese quince. |
| JASPEROUS | • jasperous adj. Containing jasper, composed of jasper. • jasperous adj. Resembling jasper. • JASPEROUS adj. of or like jasper, also JASPIDEOUS. |
| JATROPHAS | • jatrophas n. Plural of jatropha. • JATROPHA n. any plant of the genus Jatropha, esp. Jatropha curcas, whose seeds yield an oil that can be used as a biofuel. |
| JEREPIGOS | • jerepigos n. Plural of jerepigo. • JEREPIGO n. (Portuguese) a sweet fortified wine similar to port, also GEROPIGA. |
| JOCKSTRAP | • jockstrap n. (Sports) An athletic supporter worn by men and boys to support the genitals during strenuous exercise. • jock␣strap n. Alternative form of jockstrap. • JOCKSTRAP n. a genital support worn esp. by men participating in athletics. |
| JUMPROPES | • jump␣ropes n. Plural of jump rope. • jump␣ropes v. (Colloquial) third-person singular simple present indicative form of jump rope. • JUMPROPE n. a rope used in children's games for jumping. |
| JUMPSHOTS | • jumpshots n. Plural of jumpshot. • jump␣shots n. Plural of jump shot. • JUMPSHOT n. a type of shot in basketball. |
| JUXTAPOSE | • juxtapose v. (Transitive) To place side by side, especially for contrast or comparison. • JUXTAPOSE v. to place side by side. |
| 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. |
| MAJORSHIP | • majorship n. The position or office of major. • MAJORSHIP n. the rank or office of a major. |
| OVERJUMPS | • overjumps v. Third-person singular simple present indicative form of overjump. • OVERJUMP v. to jump too far. |
| PEJORATES | • pejorates v. Third-person singular simple present indicative form of pejorate. • PEJORATE v. to make worse. |
| PERJUROUS | • perjurous adj. Alternative form of perjurious. • PERJUROUS adj. (archaic) guilty of perjury, also PERJURIOUS. |
| POPINJAYS | • popinjays n. Plural of popinjay. • POPINJAY n. a figure of a bird suspended from a pole and used as a target by archers and crossbowmen; a strutting supercilious conceited person. |
| PULSOJETS | • pulsojets n. Plural of pulsojet. • PULSOJET n. in jet propulsion, an intermittent jet, also PULSEJET. |
| SHOWJUMPS | • showjumps v. Third-person singular simple present indicative form of showjump. • SHOWJUMP v. to take part in a showjumping competition. |
| SUPERJOCK | • superjock n. An athletic macho man. • SUPERJOCK n. a very good athlete. |