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Ucalegon: neighbour whose house is on fire or has burned down [from Gk. Oukalégōn – one of the Elders of whose house was set on fire by the Achaeans during the sack of Troy, a character in the Iliad (3.148)]

Ultracrepidarian: going too far; overstepping the mark; presumptious; intruding in someone else’s beeswax [from L. ultra- (“beyond”) +‎ –crepidarian (“things concerning shoemaking”); attributed to the 18th–19th cent English essayist and writer William Hazlitt]

Ululate: to howl like a wolf [from L. ululāre (“to howl or bay”)]

Umbersorrow:  fit, robust, sturdy, resisting disease or the effects of severe weather; rugged, uncultivated, surly disposition [from Scot. Eng. origin obscure]

Umbriferous: shady; making shade [from L. umbrifer, from umbra (“a shade”) + –ferre (“to bear”)]

Undinism: the association of water with erotic thoughts; sexual arousal from urination [from Ger. undine from L. unda (“wave”)+‎ -ism]

Unidextral: capable of using one hand only [L. uni (“one only”) + –dexter (“right hand”)] ✋

Upaithric: (Arch.) (a building or structure) without a roof [Gk. Origin obscure] (Synonym: Hypethral)

Urorilocal: (refer to Uxorious in the Logolept’s Diet 1.0) living with one’s wife’s family  [borrowed from L. uxōrius (“of or pertaining to a wife”), from uxor (“wife”) + -local(?)]

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Valetudinarian: an invalid, esp one with a tendency towards hypochondria; a person who is unduly anxious about their health [from L. valēre, (“to have strength” or “to be well”) + -arian]

Vapulatory: relating to flogging or beating [from L. vāpulō (“cry”; “wail”)]

Venery: sexual indulgence (from L. vener-, venus– (“sexual desire, sexual intercourse”) + -ery]

Verecund: modest; shy; bashful [from L. verēcundus (“shy, modest”)]

Verkramp: someone narrow-minded or extremely conservative in their views [Afrik. “cramped”]

Vetust: venerable from antiquity [from L. vetustus (“old, ancient”)]

Viduity: widowhood [from MidEng. (Scots) viduite, from L.  vidua (“widow”) + –ity]

Viviseplture: the practice of burying someone alive [from L. vivus (“alive”) + –sepulture (from L. sepultura (“bury”)]

Voteen: a zealously pious person [from Gael. Irish. corruption of devotee + -een]

Vulpinate: to wilily cheat or deceive someone [from L. vulpes (“fox” )]