| COMITADJIS | • comitadjis n. Plural of comitadji. • COMITADJI n. (Turkish) a member of the Bulgarian Revolutionary Committee in Macedonia; any Balkan guerilla, also KOMITAJI. |
| JIGGUMBOBS | • jiggumbobs n. Plural of jiggumbob. • JIGGUMBOB n. a thingamabob; a gewgaw. |
| JIMSONWEED | • jimsonweed n. (US) A poisonous plant of the Datura stramonium species, part of the nightshade (Solanaceae) family… • jimsonweed n. (US, by extension, proscribed) Any poisonous plant of the genus Datura. • jimson␣weed n. Alternative spelling of jimsonweed. |
| JOCKEYISMS | • jockeyisms n. Plural of jockeyism. • JOCKEYISM n. the practice of jockeys. |
| JOINTWORMS | • jointworms n. Plural of jointworm. • JOINTWORM n. the larva of a small, hymenopterous fly, which is found in gall-like swellings on the stalks of wheat. |
| JOKESMITHS | • jokesmiths n. Plural of jokesmith. • JOKESMITH n. (archaic) a composer of jokes. |
| JOLIOTIUMS | • JOLIOTIUM n. a former name for the element dubnium. |
| JOLLIMENTS | • JOLLIMENT n. (Spenser) jollity. |
| JOURNALISM | • journalism n. The activity or profession of being a journalist. • journalism n. The aggregating, writing, editing, and presenting of news or news articles for widespread distribution… • journalism n. The style of writing characteristic of material in periodical print publications and broadcast news… |
| JUMBOISING | • jumboising v. Present participle of jumboise. • JUMBOISE v. to enlarge a ship using prefabricated sections, also JUMBOIZE. |
| MAJORITIES | • majorities n. Plural of majority. • MAJORITY n. the greater number. |
| MAJORSHIPS | • majorships n. Plural of majorship. • MAJORSHIP n. the rank or office of a major. |
| MISJOINDER | • misjoinder n. (Law) An incorrect union of parties or of causes of action in a procedure in court. • MISJOINDER n. an incorrect union of parties or of causes of action in a procedure, criminal or civil. |
| MISJOINING | • misjoining v. Present participle of misjoin. • MISJOIN v. to join incorrectly. |
| SJAMBOKING | • sjamboking v. Present participle of sjamboke. • SJAMBOK v. (South African) to beat with a rhinoceros-hide whip, also JAMBOK. |