| BUMSUCKING | • bum-sucking n. (Vulgar) Obsequious behaviour. • bum-sucking adj. (Vulgar) Obsequious.
 • BUMSUCKING n. sycophancy.
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| BURGUNDIES | • burgundies n. Plural of burgundy. • Burgundies n. Plural of Burgundy.
 • BURGUNDY n. a red wine.
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| NUBIGENOUS | • nubigenous adj. Born of, or produced from, clouds. • NUBIGENOUS adj. cloud-born.
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| RUBIGINOUS | • rubiginous adj. Alternative form of rubiginose. • RUBIGINOUS adj. rust-coloured, also RUBIGINOSE.
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| SUBANGULAR | • subangular adj. (Geology) Slightly angular; having rather blunt angles. • SUBANGULAR adj. slightly angular.
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| SUBDUCTING | • subducting v. Present participle of subduct. • SUBDUCT v. to withdraw; to take away, also SUBDUCE.
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| SUBGENUSES | • subgenuses n. Plural of subgenus. • SUBGENUS n. a subdivision of a genus.
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| SUBLINGUAL | • sublingual adj. (Medicine) Administered through placement under the tongue. • sublingual adj. (Anatomy) Situated beneath the tongue.
 • sublingual adj. (Anatomy) Of or pertaining to the sublingual gland.
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| SUBTRUDING | • subtruding v. Present participle of subtrude. • SUBTRUDE v. to push in stealthily.
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| SUCCUMBING | • succumbing v. Present participle of succumb. • SUCCUMB v. to yield to superior force.
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| SUNBURNING | • sunburning v. Present participle of sunburn. • SUNBURN v. to burn by exposure to sun.
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| UNBEGUILES | • unbeguiles v. Third-person singular simple present indicative form of unbeguile. • UNBEGUILE v. to set free from the influence of guile; to undeceive.
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| UNBESOUGHT | • unbesought adj. Not besought. • UNBESOUGHT adj. not looked for.
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| UNBLUSHING | • unblushing adj. Not blushing. • unblushing adj. Shameless.
 • unblushing v. Present participle of unblush.
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| UPBURSTING | • upbursting n. A bursting upward. • UPBURST v. to burst upwards.
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