| DIUTURNITY | • diuturnity n. (Rare, obsolete) Long duration; lastingness. • DIUTURNITY n. long duration; lastingness. |
| FOUDROYANT | • foudroyant adj. Having an awesome and overwhelming effect. • foudroyant adj. (Medicine) fulminant. • FOUDROYANT adj. (French) sudden and overwhelming in effect; dazzling. |
| HYDRONAUTS | • hydronauts n. Plural of hydronaut. • HYDRONAUT n. a person trained to work in an underwater vessel. |
| INUNDATORY | • inundatory adj. Of or relating to flood, or inundation. • INUNDATORY adj. causing inundation, flooding. |
| IRACUNDITY | • iracundity n. (Rare) anger; irritability. • IRACUNDITY n. the state of being iracund, easily angered. |
| OROTUNDITY | • orotundity n. The quality of being orotund. • orotundity n. An orotund statement or utterance. • OROTUNDITY n. the orotund mode of intonation, also OROROTUNDITY. |
| PROFUNDITY | • profundity n. The state of being profound or abstruse. • profundity n. A great depth. • profundity n. Deep intellect or insight. |
| RESTUDYING | • restudying v. Present participle of restudy. • RESTUDY v. to study again. |
| UNBETRAYED | • unbetrayed adj. Not betrayed. • unbetrayed v. Simple past tense and past participle of unbetray. • UNBETRAYED adj. not betrayed. |
| UNBIRTHDAY | • unbirthday n. A day that is not one’s birthday but is celebrated as though it were. • UNBIRTHDAY n. a day other than one's birthday. |
| UNDERSTORY | • understory n. The layer of plants that grow in the shade of the canopy of a forest. • UNDERSTORY n. the smaller trees and bushes forming a lower level beneath the forest canopy, also UNDERSTOREY. |
| UNDERSTUDY | • understudy v. To study or know a role to such an extent as to be able to replace the normal performer when required. • understudy v. To act as an understudy (to someone). • understudy v. To act in a similar manner to some known person. |
| UNDULATORY | • undulatory adj. That undulates, or that causes undulations. • UNDULATORY adj. moving in the manner of undulations, or waves. |
| UNTENDERLY | • untenderly adv. Without tenderness. • UNTENDER adv. not tender. |
| UNTOWARDLY | • untowardly adv. In an untoward way. • untowardly adj. Untoward. • UNTOWARD adv. not appropriate. |
| WHODUNITRY | • whodunitry n. Alternative form of whodunnitry. • WHODUNITRY n. the genre of whodunit writing, also WHODUNNITRY. |
| YTHUNDERED | • ythundered adj. (Archaic) Struck by a thunderbolt. • YTHUNDERED adj. (Spenser) struck by a thunderbolt. |