| LUNANAUT | • lunanaut n. (Rare) An astronaut who travels to the Moon; a lunarnaut. • LUNANAUT n. an astronaut who has travelled to the moon, also LUNARNAUT. |
| NINJUTSU | • ninjutsu n. (Martial arts) A Japanese martial art that is a collection of techniques originally practiced for Japanese… • NINJUTSU n. (Japanese) a martial art, teaching stealth and camouflage, also NINJITSU. |
| NUMBNUTS | • numbnuts n. (Chiefly US, slang, derogatory, sometimes humorous, often as a term of address) A slow-witted, unresponsive… • NUMBNUTS n. an idiot. |
| SUNBURNT | • sunburnt adj. (Of human skin) Having a sunburn or dark tan; having been burned by the sun’s rays. • sunburnt adj. (Of plants and other objects) Dried by the sun’s rays. • sunburnt adj. (Of places or objects) Subject to the strong heat and/or light of the sun. |
| TURNDUNS | • turnduns n. Plural of turndun. • TURNDUN n. (Native Australian) an Australian bullroarer, also TUNDUN. |
| UNBUTTON | • unbutton v. (Transitive, intransitive) To open (something) by undoing its buttons. • unbutton v. (Intransitive, ergative) To come open by having its buttons unfastened. • UNBUTTON v. to unfasten the buttons of. |
| UNDULANT | • undulant adj. Having the characteristics of a wave; wavelike. • UNDULANT adj. rising and falling in waves, also UNDULAR. |
| UNGUENTA | • UNGUENTUM n. (Latin) an ointment. |
| UNGUENTS | • unguents n. Plural of unguent. • UNGUENT n. (Latin) an ointment. |
| UNHUNTED | • unhunted adj. In which hunting does not take place. • unhunted adj. Not hunted. • UNHUNTED adj. not hunted. |
| UNMOUNTS | • unmounts v. Third-person singular simple present indicative form of unmount. • UNMOUNT v. to dismount. |
| UNSTRUNG | • unstrung adj. Not strung. • unstrung adj. (Informal) Emotionally upset; not able to keep it together. • unstrung v. Simple past tense and past participle of unstring. |
| UNTUNING | • untuning v. Present participle of untune. • UNTUNE v. to put out of tune. |
| UNTURNED | • unturned adj. Not turned. • UNTURN v. to turn backwards. |
| UNUNITED | • ununited adj. Not united. • UNUNITED adj. not united. |