| JAMBONES | • Jambones n. Plural of Jambone. • JAMBONE n. a lone hand in Euchre. |
| JAMBOOLS | • jambools n. Plural of jambool. • JAMBOOL n. (Sanskrit) the rose-apple tree, also JAMBU, JAMBOLAN, JAMBUL. |
| JARLDOMS | • jarldoms n. Plural of jarldom. • JARLDOM n. the domain of a jarl. |
| JIBBOOMS | • jibbooms n. Plural of jibboom. • jib-booms n. Plural of jib-boom. • jib␣booms n. Plural of jib boom. |
| JINGOISM | • jingoism n. (Uncountable) Excessive patriotism or aggressive nationalism, especially with regards to foreign policy. • jingoism n. (Countable) A jingoistic attitude, comment, etc. • jingoism n. (Uncountable) Chauvinism. |
| JOBNAMES | • jobnames n. Plural of jobname. • JOBNAME n. a computer code for a job instruction. |
| JOCKDOMS | • JOCKDOM n. the world of athletes. |
| JOKESOME | • jokesome adj. Marked by joking or jocularity; joky; humorous. • JOKESOME adj. amusing. |
| JUMBOISE | • jumboise v. Alternative form of jumboize. • JUMBOISE v. to enlarge a ship using prefabricated sections, also JUMBOIZE. |
| JUMPOFFS | • jumpoffs n. Plural of jumpoff. • JUMPOFF n. a starting point. |
| JUMPSHOT | • jumpshot n. Alternative form of jump shot. • jump␣shot n. (Basketball) A shot in which the player releases the ball at the highest point of a jump. • JUMPSHOT n. a type of shot in basketball. |
| MAHJONGS | • MAHJONG n. (Chinese) a game of Chinese origin, also MAHJONGG. |
| MAJORATS | • majorats n. Plural of majorat. • MAJORAT n. (French) primogeniture, the circumstance of being firstborn. |
| MISJOINS | • misjoins v. Third-person singular simple present indicative form of misjoin. • MISJOIN v. to join incorrectly. |
| MOJARRAS | • mojarras n. Plural of mojarra. • MOJARRA n. (Spanish) any of various small percoid fishes of the family Gerreidae. |
| OUTJUMPS | • outjumps v. Third-person singular simple present indicative form of outjump. • OUTJUMP v. to surpass in jumping. |
| SHOWJUMP | • showjump v. (Intransitive) To take part in showjumping. • SHOWJUMP v. to take part in a showjumping competition. |
| SJAMBOKS | • sjamboks n. Plural of sjambok. • SJAMBOK v. (South African) to beat with a rhinoceros-hide whip, also JAMBOK. |