| NUBIFEROUS | • nubiferous adj. Bringing, or producing, clouds; cloudy. • NUBIFEROUS adj. cloud-bringing. |
| OUTBURNING | • outburning v. Present participle of outburn. • OUTBURN v. to burn longer than. |
| OUTNUMBERS | • outnumbers v. Third-person singular simple present indicative form of outnumber. • OUTNUMBER v. to surpass in number. |
| OUTREBOUND | • outrebound v. (Basketball) To get more rebounds than. • OUTREBOUND v. to rebound more than. |
| PENUMBROUS | • penumbrous adj. Partially shaded. • penumbrous adj. Vague; ill-defined; unclear. • PENUMBROUS adj. relating to penumbra, partial shade. |
| ROUNDABOUT | • roundabout adj. Indirect, circuitous, or circumlocutionary. • roundabout adj. Encircling; enveloping; comprehensive. • roundabout n. (Chiefly UK, New Zealand, Ireland, Canada, Australia and sometimes US) A road junction at which traffic… |
| RUBIGINOUS | • rubiginous adj. Alternative form of rubiginose. • RUBIGINOUS adj. rust-coloured, also RUBIGINOSE. |
| RUMBULLION | • rumbullion n. (Obsolete) Rum, the spirit. • rumbullion n. (Archaic, colloquial) A great tumult. • RUMBULLION n. (obsolete) an older name for rum. |
| SUBROUTINE | • subroutine n. (Computer science) A section of code, called by the main body of a program, that implements a task. • SUBROUTINE n. a subordinate routine. |
| TURNABOUTS | • turnabouts n. Plural of turnabout. • turn-abouts n. Plural of turn-about. • turn␣abouts n. Plural of turn about. |
| UNBOUNCIER | • UNBOUNCY adj. not bouncy. |
| UNBURROWED | • unburrowed v. Simple past tense and past participle of unburrow. • UNBURROW v. to bring out of a burrow. |
| UNDERBOUGH | • UNDERBOUGH n. a lower branch of a tree. |
| UNHARBOURS | • unharbours v. Third-person singular simple present indicative form of unharbour. • UNHARBOUR v. to dislodge from shelter. |
| UNILOBULAR | • unilobular adj. Having a single lobe or lobule. • UNILOBULAR adj. having one lobule. |
| UNLABOURED | • unlaboured adj. (British spelling) Not laboured. • UNLABOURED adj. not laboured, also UNLABORED. |
| UNOBSCURED | • unobscured adj. Not obscured. • UNOBSCURED adj. not obscured. |
| UNTROUBLED | • untroubled adj. Without worries; free from care. • UNTROUBLED adj. not troubled. |