| DESULFURING | • desulfuring v. Present participle of desulfur. • DESULFUR v. to free from sulphur. |
| DUTIFULNESS | • dutifulness n. The state of being dutiful. • DUTIFULNESS n. the state of being dutiful. |
| INCREDULOUS | • incredulous adj. Skeptical, disbelieving, or unable to believe. • incredulous adj. Expressing or indicative of incredulity. • incredulous adj. (Largely obsolete, now only nonstandard) Difficult to believe; incredible. |
| NUDICAULOUS | • NUDICAULOUS adj. having a leafless stem, also NUDICAUL. |
| SIPUNCULIDS | • sipunculids n. Plural of sipunculid. • SIPUNCULID n. a kind of marine worm with a retractile proboscis, also SIPUNCULOID. |
| SIPUNCULOID | • sipunculoid adj. (Zoology) Relating to the Sipunculidea. • sipunculoid n. (Zoology) Any of the Sipunculidea. • SIPUNCULOID n. a kind of marine worm with a retractile proboscis, also SIPUNCULID. |
| UNBUNDLINGS | • unbundlings n. Plural of unbundling. • UNBUNDLING n. the act of unbundling, dividing a business corporation into separate companies. |
| UNCLOUDIEST | • UNCLOUDY adj. not cloudy. |
| UNDERBUILDS | • underbuilds v. Third-person singular simple present indicative form of underbuild. • UNDERBUILD v. to build under in support; to build too little. |
| UNDULANCIES | • UNDULANCY n. the state of being undulant, also UNDULANCE. |
| UNDULATIONS | • undulations n. Plural of undulation. • UNDULATION n. a rising and falling in waves. |
| UNFEUDALISE | • unfeudalise v. Alternative form of unfeudalize. • UNFEUDALISE v. to deprive of a feudal character, also UNFEUDALIZE. |
| UNINSULATED | • uninsulated adj. Lacking insulation; not insulated. • UNINSULATED adj. not insulated. |
| UNMELODIOUS | • unmelodious adj. Not melodious. • UNMELODIOUS adj. not melodious. |
| UNPUBLISHED | • unpublished adj. Not published. • UNPUBLISHED adj. not published. |
| UPBUILDINGS | • upbuildings n. Plural of upbuilding. • UPBUILDING n. development; edification. |