| JACKANAPESES | • jackanapeses n. Plural of jackanapes. • jack-a-napeses n. Plural of jack-a-napes. • JACKANAPES n. an impudent child; a conceited fellow. |
| JACKASSERIES | • jackasseries n. Plural of jackassery. • JACKASSERY n. being a jackass. |
| JACKASSERY | • jackassery n. The foolish or obnoxious behaviour of a jackass. • JACKASSERY n. being a jackass. |
| JACKASSES | • jackasses n. Plural of jackass. • jack-asses n. Plural of jack-ass. • JACKASS n. a male ass or donkey. |
| JACKETLESS | • jacketless adj. Without a jacket (coat). • jacketless adj. Without a jacket (book cover). • JACKETLESS adj. without a jacket. |
| JACKFISHES | • jackfishes n. Plural of jackfish. • JACKFISH n. a food fish. |
| JACKSCREWS | • jackscrews n. Plural of jackscrew. • jack␣screws n. Plural of jack screw. • JACKSCREW n. a jack in which a screw is used for lifting, or exerting pressure. |
| JACKSIES | • jacksies n. Plural of jacksy plural of jacksie. • JACKSIE n. (slang) the posterior, also JAXY, JAXIE, JACKSY. |
| JACKSMELTS | • jacksmelts n. Plural of jacksmelt. • JACKSMELT n. a large fish of the Pacific coast of North America. |
| JACKSNIPES | • jacksnipes n. Plural of jacksnipe. • JACKSNIPE n. a kind of snipe. |
| JACKSTAVES | • jackstaves n. Plural of jackstaff. • JACKSTAFF n. a short staff at a ship's bow, on which a jack is hoisted. |
| JACKSTONES | • jackstones n. Plural of jackstone. • JACKSTONE n. a piece used in the game of jacks. |
| SKYJACKERS | • skyjackers n. Plural of skyjacker. • SKYJACKER n. one who skyjacks, hijacks an aeroplane. |
| SMOKEJACKS | • smokejacks n. Plural of smokejack. • smoke␣jacks n. Plural of smoke jack. • SMOKEJACK n. a contrivance for turning a spit by means of a fly or wheel moved by the current of ascending air in a chimney. |
| STEEPLEJACKS | • steeplejacks n. Plural of steeplejack. • STEEPLEJACK n. a person who repairs steeples and high chimneys. |
| STRAIGHTJACKETS | • STRAIGHTJACKET n. a straitjacket. |
| STRAITJACKETS | • straitjackets n. Plural of straitjacket. • STRAITJACKET v. to confine in or as if in a straitjacket. |
| SUPPLEJACKS | • supplejacks n. Plural of supplejack. • SUPPLEJACK n. a woody climber with a tough pliant stem. |