| ADDERBEAD | • ADDERBEAD n. a prehistoric ornamental bead, also ADDERSTONE. |
| HOLDERBAT | • holderbat n. A device used to secure a pipe to a wall by means of an enclosing ring. • HOLDERBAT n. a clamp fixed around the sides of a pipe. |
| 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. |
| UNDERBAKE | • underbake v. To bake insufficiently, or less than usual. • UNDERBAKE v. to bake insufficiently. |
| UNDERBEAR | • underbear v. To support, endure. • underbear v. (Transitive) To line, guard or face a material, especially cloth. • UNDERBEAR v. (obsolete) to support; to endure. |
| UNDERBIDS | • underbids v. Third-person singular simple present indicative form of underbid. • UNDERBID v. to bid lower than. |
| UNDERBITE | • underbite n. A malocclusion, in which the lower teeth extend past the upper ones. • underbite v. To use insufficient acid in an etching process, so that the result is too shallow. • UNDERBITE v. to bite insufficiently with acid, as in etching. |
| 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. |
| UNDERBRED | • underbred adj. Of inferior breeding or upbringing; vulgar, lacking in manners or finesse. • underbred adj. (Of animals) Not purebred; of an inferior strain. • underbred v. Simple past tense and past participle of underbreed. |
| UNDERBRIM | • underbrim n. The underside of a hat’s brim. • UNDERBRIM n. a facing on the underside of a hat brim. |
| UNDERBUDS | • UNDERBUD v. to bud from beneath. |
| UNDERBUSH | • underbush n. Synonym of underbrush. • underbush v. Synonym of underbrush. • UNDERBUSH n. underbrush, shrubs, small trees, and the like. |
| UNDERBUYS | • underbuys v. Third-person singular simple present indicative form of underbuy. • UNDERBUY v. to buy at a lower price than. |