| FURFURALDEHYDES | • FURFURALDEHYDE n. a liquid obtained by heating bran with dilute sulphuric acid, also FURAL, FURFURAL, FURFUROL, FURFUROLE, FUROL, FUROLE. |
| SURROUNDED | • surrounded v. Simple past tense and past participle of surround. • SURROUND v. to encompass. |
| UNDERBRUSHED | • underbrushed v. Simple past tense and past participle of underbrush. • UNDERBRUSH v. to clear of underbrush. |
| UNDERBUILDERS | • underbuilders n. Plural of underbuilder. • UNDERBUILDER n. a subordinate or assistant builder. |
| UNDERGRADUATES | • undergraduates n. Plural of undergraduate. • UNDERGRADUATE n. a student at a college or university who has not received a first and esp. a bachelor's degree. |
| UNDERGRADUETTES | • undergraduettes n. Plural of undergraduette. • UNDERGRADUETTE n. a female undergraduate. |
| UNDERGROUNDERS | • undergrounders n. Plural of undergrounder. • under-grounders n. Plural of under-grounder, an alternative spelling of undergrounder. • UNDERGROUNDER n. a member of the underground. |
| UNDERGROUNDS | • undergrounds n. Plural of underground. • undergrounds v. Third-person singular simple present indicative form of underground. • UNDERGROUND n. a subterranean space or channel. |
| UNDERINSURED | • underinsured adj. Not having sufficient insurance to cover loss or damage. • underinsured adj. (US) not having proper health insurance. • underinsured n. One who has insufficient insurance. |
| UNDERNOURISHED | • undernourished adj. Provided with insufficient nourishment to sustain proper health and growth. • UNDERNOURISH v. to nourish insufficiently. |
| UNDERPRODUCES | • underproduces v. Third-person singular simple present indicative form of underproduce. • UNDERPRODUCE v. to produce less than the expected amount. |
| UNDERSATURATED | • undersaturated adj. Insufficiently saturated. • undersaturated adj. (Geology) (of igneous rock) Having minerals without free silica. • UNDERSATURATED adj. less than normally or adequately saturated. |
| UNDERSUBSCRIBED | • undersubscribed adj. Having too few subscribers or subscriptions. • undersubscribed v. Simple past tense and past participle of undersubscribe. • UNDERSUBSCRIBED adj. insufficiently subscribed. |
| UNDERTHRUSTED | • underthrusted v. Simple past tense and past participle of underthrust. |