| INNUMEROUS | • innumerous adj. Not capable of being counted or numerated; indefinitely numerous. • INNUMEROUS adj. (archaic) innumerable, also INNUMERABLE. |
| INSENSUOUS | • insensuous adj. Not sensuous; not pertaining to, affecting, or addressing the senses. • INSENSUOUS adj. not sensuous. |
| NEPTUNIUMS | • NEPTUNIUM n. a radioactive metallic chemical element of the lanthanide series. |
| NUBIGENOUS | • nubigenous adj. Born of, or produced from, clouds. • NUBIGENOUS adj. cloud-born. |
| NUMINOUSES | • NUMINOUS n. something filled with a sense of the presence of divinity. |
| NUMMULINES | • nummulines n. Plural of nummuline. • NUMMULINE n. any of large fossil protozoans. |
| QUINCUNXES | • quincunxes n. Plural of quincunx. • QUINCUNX n. (Latin) an arrangement of five things. |
| UNDERUSING | • underusing v. Present participle of underuse. • UNDERUSE v. to not use to the fullest extent. |
| UNFUNNIEST | • unfunniest adj. Superlative form of unfunny: most unfunny. • UNFUNNY adj. not funny. |
| UNHUMANISE | • unhumanise v. Alternative form of unhumanize. • UNHUMANISE v. to render inhuman or barbarous, also UNHUMANIZE. |
| UNINSUREDS | • uninsureds n. Plural of uninsured. • UNINSURED n. one who is not insured. |
| UNIQUENESS | • uniqueness n. The state or quality of being unique or one of a kind. • UNIQUENESS n. the state of being unique. |
| UNPUNISHED | • unpunished adj. Not punished. • UNPUNISHED adj. not punished. |
| UNRULINESS | • unruliness n. The state of being unruly. • UNRULINESS n. the state of being unruly. |
| UNSUNNIEST | • UNSUNNY adj. not sunny. |