Staff U of the English Wordbook.

Basic abbreviations: att'd=attested, OE=Old English, NHG=New High German, Du.=Dutch

For a full list of etymological and other abbreviations used in these wordlists, see Forshortenings.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

ubiquitous	adj	everywhere, allwhere
UFO	n	NUFG (Not Undertold Flying Gainstand)
ulna	n	ell, elbone
ulcer	adj	sore
ulterior motive	n	hinderthought (Cf. NHG Hintergedanke)
ultimately	adv & phr	lastly, at last, at long last, in the end, once and for all, sooner or later, after everything
umbrella	n	rainshield, rainshade
unabated	adj	unlessened (Barnes)
unalienable	adj	unforfremdbere (Cf. Du. onvervreemdbaar)
unanimous	adj	anmooded/onemooded, oneminded, onesouled, of one sound, of one mind, at one with
unanimously	adv	anmoodly/onemoodly, oneminded, onesouled
unassailable	adj	watertight
unbalanced	adj	mad, unhinged, unevenweighted, crazy, brainsick, blithering, half-witted, not-all-there, soft-headed, stark-mad, daft, fey, nuts, warped
uncelebrated	adj	unsung
uncertain	adj	iffy, unsothly
uncertainty	n	iffiness, unsothliness
uncle	n	eme (cf. ME eem/eam, Du. oom, NHG Oheim/Ohm), father's brother, mother's brother, sib's brother, sibsbrother
unconscious	adj	unwitting, unaware, unknowing
unctuous	adj	fulsome, smarmy
undercurrent	n	undertow
underdeveloped	adj	underbuilt
undermine	vb	threaten
undistinguished	adj	unknown, fameless
undress	vb	strip
undulating	adj	billowing, rising, swelling, wimpling
uneasy	adj	restless
unedifying	adj	unwholesome, unhealthy
uneducated	adj	loreless(n.b. att'd), unschooled (Barnes), unlearned
unemployed	adj	jobless, idle, not in paid work, unhired, unbehired, workless
unexpected	adj	unforeseen, unbewaited
unfamiliar	adj	seldcouth (<OE seldcúþ, "familiar" is hiewcouth <OE hiwcuþ)
unfavourable	adj	untoward
unfortunate	adj	ill-starred (Barnes), luckless(Barnes), hapless, unlucky, untoward
unhabited	adj	undwelled, unwoned
unharness	vb	outspan
unicorn	n	onehorn
uniformity	n	evenness
unintelligent	adj	brainless, callow, green, mindless, pea-brained, thimble-witted, witless, unthinkle, unmindfast
uninteresting	adj	of no odds (Barnes)
union	n	band, workerband, wedlock, ring, bondlock
unionism	n	bandishness, bandom
unionist	adj	bandish, bandomish
unionist	n	bandisher, bandomer
unique	adj	one-off, one-of-a-kind, one and only, unlike, unmatched, matchless, unheard of, not-before-seen, seldom seen,
unit	n	fach (pl. fax)
unite	n	knit, bring together draw, together, forone
united	adj	knitted, foroned
United States of America	n	Banded Folkdoms of Americksland
unity	n	oneness (Barnes), onehead, onehood, togetherness, altogetherness, wholeness
universal	adj	almean (Cf. NHG allgemein), alworldly, for all, all about, allsome (Barnes), allhomely
universality	n	alness
universe	n	allhome, allness, wholeness, Anworth (OE An- one, worth akin to L -verse), one-word
university	n	lorehalls, learnhall, learningseat, lorestead (Barnes), seat of learning (Barnes)
unjustified	adj	wrongful
unleash	vb	unbind
unleashed	advb	unbound
unlimited	adj	unbounded (Barnes), unstinted
unmaintained	adj	unkempt
unmanageable	adj	unwieldy, unhandlesome
unnecessary	adj	needless, unneeded, wanton
unnerve	vb	unsettle, faze
unpleasant	adj	bad, bitter, thankless, unwelcome, unlustsome
unproductive	adj	geason, unfremful, undoful, undofast, undo-ly
unprofitable	adj	worthless, bootless, useless, unyielding, gainless
unprogressive	adj	unforthgoing, stick-in-the-mud
unreservedly	adj	wholeheartedly
unresponsive	adj	sloom (Dutch)
unrevealed	adj	untold, hidden
unsuccesful	adj	unsped, unspedful
unsuitable	adj	unbeseeming
unsympathetic	adj	untogetherfeelsome, unfeeling
unusual	adj	unwonely, outlandish, unalike, unsame, unthought of, way out, off-beat, weird, freaky, far-out, selcouth
unveil	vb	bare, betray, break the seal, bring to light, free, lay bare, lay open, shown, let out, open up, unclothe, unshroud
urban	adj	townish, boroughish, townwise, boroughwise
urbanite	n	townsman, boroughwere
urge	n	thrafsomehood (OE thrafian, to urge) , will, wish, lust, longing, want, eggle
ursa major	n	The Plough, Carl's wagon, Carles waegn, The Great Bear
use	vb	note (ME, from OE notu), brook (at wikiwordbook), brouk, handle, work, wield, do with, put forth, play on
used to1	adj	formerly
used to2	adj	wont to
useful	adj	handy
useless	adj	idle, unhandy
usual	adj	often, everday, manytimes, well-known, widespread, stock
usurer	n	wastomshatster, wookerer, loan shark
usury	n	wastomshat (<OE wæstmsceatt), wooker
utensil	n	tool
uterus	n	womb, childsack, mother sack, bairnbed, bermother, mother-rif