| BUTTONMOULDS | • buttonmoulds n. Plural of buttonmould. • BUTTONMOULD n. the small core of plastic, wood, or metal that is the base for buttons covered with fabric, leather, etc. |
| DOUBTFULNESS | • doubtfulness n. The state or quality of being doubtful; doubt; uncertainty. • DOUBTFULNESS n. the state of being doubtful. |
| GROUNDBURSTS | • groundbursts n. Plural of groundburst. • GROUNDBURST n. the detonation of a nuclear warhead at ground level. |
| HEBETUDINOUS | • hebetudinous adj. Displaying mental lethargy or dullness. • HEBETUDINOUS adj. dull or lethargic, esp. relating to the mind. |
| OUTBUILDINGS | • outbuildings n. Plural of outbuilding. • OUTBUILDING n. a building such as a barn, stable, etc. separate from, but used in connection with, a dwelling-house or a main building. |
| SUBAUDITIONS | • subauditions n. Plural of subaudition. • SUBAUDITION n. understanding of something not expressed. |
| SUBDEBUTANTE | • subdebutante n. A young woman who has not yet made her formal appearance in society. • SUBDEBUTANTE n. a young girl who is about to become a debutante, also SUBDEB. |
| SUBFEUDATION | • subfeudation n. Alternative form of subinfeudation. • SUBFEUDATION n. subinfeudation. |
| SUBINFEUDATE | • subinfeudate v. To apportion land by subinfeudation. • SUBINFEUDATE v. to grant to another land held by another feudal lord, also SUBFEU, SUBINFEUD. |
| SUBINTRODUCE | • SUBINTRODUCE v. to bring in surreptitiously or subtly. |
| SURTURBRANDS | • SURTURBRAND n. (Icelandic) a lignite found interbedded with lavas in Iceland, also SURTARBRAND. |
| UNDERBUDGETS | • underbudgets v. Third-person singular simple present indicative form of underbudget. • UNDERBUDGET v. to allow too low a budget. |
| UNDISPUTABLE | • undisputable adj. (Less common) Alternative form of indisputable. • UNDISPUTABLE adj. not disputable. |
| UNDISPUTABLY | • undisputably adv. In an undisputable manner; undeniably. |
| UNDISTURBING | • undisturbing adj. Not disturbing. • UNDISTURBING adj. not disturbing. |
| UNOBSTRUCTED | • unobstructed adj. Not obstructed. • unobstructed v. Simple past tense and past participle of unobstruct. • UNOBSTRUCTED adj. not obstructed. |
| UNSUBLIMATED | • unsublimated adj. Not sublimated. • UNSUBLIMATED adj. not sublimated. |