| GROUNDBURST | • groundburst n. The explosion of a bomb dropped from the air when it hits the ground. • GROUNDBURST n. the detonation of a nuclear warhead at ground level. |
| SURTURBRAND | • surturbrand n. A fibrous brown coal or bituminous wood. • SURTURBRAND n. (Icelandic) a lignite found interbedded with lavas in Iceland, also SURTARBRAND. |
| BRONTOSAURUS | • brontosaurus n. One of the largest land animals to ever walk the earth; a Brontosaurus. • Brontosaurus prop.n. A taxonomic genus within the family Diplodocidae – certain large long-necked sauropods; formerly merged… • BRONTOSAURUS n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAUR. |
| GROUNDBURSTS | • groundbursts n. Plural of groundburst. • GROUNDBURST n. the detonation of a nuclear warhead at ground level. |
| SURREBUTTING | • surrebutting v. Present participle of surrebut. • SURREBUT v. to reply to a rebutter. |
| SURTURBRANDS | • SURTURBRAND n. (Icelandic) a lignite found interbedded with lavas in Iceland, also SURTARBRAND. |
| SUBTERNATURAL | • subternatural adj. Not belonging to nature, but below or worse than nature. • SUBTERNATURAL adj. less than natural. |
| SUBTERRANEOUS | • subterraneous adj. Subterranean. • SUBTERRANEOUS adj. subterranean. |
| SUBTRIANGULAR | • subtriangular adj. (Botany, anatomy) Somewhat triangular. • SUBTRIANGULAR adj. not quite triangular. |
| TUBOCURARINES | • tubocurarines n. Plural of tubocurarine. • TUBOCURARINE n. a toxic alkaloid obtained from the stem of a South American vine. |
| UNRETURNABLES | Sorry, definition not available. |
| BRONTOSAURUSES | • brontosauruses n. Plural of brontosaur. • BRONTOSAURUS n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAUR. |
| ANTITUBERCULARS | • antituberculars n. Plural of antitubercular. |
| BUREAUCRATISING | • bureaucratising v. Present participle of bureaucratise. • BUREAUCRATISE v. to make bureaucratic, also BUREAUCRATIZE. |
| SUBTERRANEOUSLY | • subterraneously adv. In a subterraneous manner; underground. • SUBTERRANEOUS adv. subterranean. |