| TINDERBOX | • tinderbox n. (Historical) A small container containing flint, steel, and tinder (dry, finely-divided fibrous matter)… • tinderbox n. (By extension) A place that is so dry and hot that there is danger of fire. • tinderbox n. (Figurative) A potentially dangerous situation. |
| UNDERBODY | • underbody n. The underparts of a bird or animal. • underbody n. The underside of a vehicle. • UNDERBODY n. the underside of a motor vehicle. |
| UNDERBORE | • underbore v. Simple past tense of underbear. • UNDERBEAR v. (obsolete) to support; to endure. |
| UNDERBOSS | • underboss n. An assistant to the boss of a crime family. • UNDERBOSS n. an under-manager. |
| THUNDERBOX | • thunderbox n. (Slang) A chamber pot enclosed in a box; a portable commode. • thunderbox n. (By extension, chiefly Australia, Britain, slang) Any lavatory or toilet, especially a rudimentary outdoor… • thunderbox n. (Theater) A box of metal balls which is shaken to create a thunder sound effect. |
| UNDERBORNE | • underborne v. Past participle of underbear. • UNDERBEAR v. (obsolete) to support; to endure. |
| UNDERBOUGH | • UNDERBOUGH n. a lower branch of a tree. |
| THUNDERBOLT | • thunderbolt n. A flash of lightning accompanied by a crash of thunder. • thunderbolt n. (Figuratively) An event that is terrible, horrific or unexpected. • thunderbolt n. Vehement threatening or censure; especially, ecclesiastical denunciation; fulmination. |
| TINDERBOXES | • tinderboxes n. Plural of tinderbox. • tinder-boxes n. Plural of tinder-box. • TINDERBOX n. a box for holding tinder. |
| UNDERBODIES | • underbodies n. Plural of underbody. • UNDERBODY n. the underside of a motor vehicle. |
| UNDERBOSSES | • underbosses n. Plural of underboss. • UNDERBOSS n. an under-manager. |
| UNDERBOUGHS | • UNDERBOUGH n. a lower branch of a tree. |
| UNDERBOUGHT | • underbought v. Simple past tense and past participle of underbuy. • UNDERBUY v. to buy at a lower price than. |
| THUNDERBOLTS | • thunderbolts n. Plural of thunderbolt. • THUNDERBOLT n. a flash of lightning conceived as a bolt hurled from the heavens. |
| THUNDERBOXES | • thunderboxes n. Plural of thunderbox. • thunder-boxes n. Plural of thunder-box (alternative form of thunderboxes). • thunder␣boxes n. Plural of thunder box (alternative form of thunderboxes). |