| COJOINED | • cojoined v. Simple past tense and past participle of cojoin. • COJOIN v. (Shakespeare) to conjoin. |
| JACKEROO | • jackeroo n. Alternative spelling of jackaroo. • jackeroo v. Alternative spelling of jackaroo. • JACKEROO n. (Australian) a newcomer gaining experience at a sheep-station. |
| JEROBOAM | • jeroboam n. Alternative letter-case form of Jeroboam: a very large wine bottle. • Jeroboam prop.n. First king of the Kingdom of Israel. • Jeroboam n. A bottle of champagne or Burgundy wine containing 3 liters of fluid, four times the volume of a standard bottle. |
| JESTBOOK | • jestbook n. Joke book. • JESTBOOK n. a collection of funny stories. |
| JOCOSELY | • jocosely adv. In a jocose manner. • JOCOSE adv. merry; characterized by joking. |
| JOCOSEST | • JOCOSE adj. merry; characterized by joking. |
| JOKESOME | • jokesome adj. Marked by joking or jocularity; joky; humorous. • JOKESOME adj. amusing. |
| JONCANOE | • JONCANOE n. a boisterous West Indian dance, also JUNKANOO. |
| JORDELOO | • JORDELOO n. (Scots) a warning cry when slops are thrown from a window, also GARDYLOO. |
| OBJECTOR | • objector n. A person who objects to something. • OBJECTOR n. one that objects. |
| OVERJOYS | • overjoys v. Third-person singular simple present indicative form of overjoy. • OVERJOY v. to fill with great joy. |
| POPJOYED | • POPJOY v. to amuse oneself. |
| REJONEOS | • REJONEO n. (Spanish) the art of bullfighting on horseback using rejones. |