tremendous
Awe-inspiring; terrific.
Notable for its size, power, or excellence.
Extremely large (in amount, extent, degree, etc.) or great

trigonum
Synonym of os trigonum (“an accessory bone of the foot”).

trisplanchnic
Of or pertaining to the three great splanchnic cavities: those of the head, chest, and abdomen.

tubocanaliculate
Having large-diameter pores with funnel-shaped openings on both inner and outer surfaces of the shell. These eggs would have a high gas exchange rate, and therefore were probably buried in humid mounds.

tunlike
Resembling or characteristic of a tun, or large cask.

turdless
Without a turd or turds.
To a great extent (of fear); shitless.

uberfabulous
Alternative form of uber-fabulous.

ulodendroid
Like the former fossil genus Ulodendron; applied to branches of Lepidodendron and Sigillaria that bear two opposite rows of large cup-shaped scars.

ultraenthusiasm
extreme enthusiasm

ultrafidian
Going beyond mere faith
Having a great amount of faith.

ultragreen
Of a very vivid green colour.
Taking a great deal of responsibility for the natural environment.

ultraheavy
Describing any atom that has a very large atomic weight; especially those that lie beyond fermium in the periodic table
Extremely or exceedingly heavy.

ultralarge
Very large

ultramassive
Extraordinarily massive; of utmost massiveness.

ultraperipheral
On the extreme periphery
Describing particle collisions in which no hadronic interactions occur because of the large spatial separation between the projectile and target

ultrapermanent
Of great permanence; very long-lasting.

ultrapowerful
Extremely or exceedingly powerful; having, or capable of exerting great power, potency, or influence.

ultravast
Extremely or exceedingly vast; of utmost vastness.

ultrawideband
Describing a radio technology that uses a large portion of the radio spectrum

umpteenth
Occurring in a relatively large but unspecified position in a sequence.

unachievable
That cannot be achieved (or only with great difficulty).

unbig
Not big; small.

undeeded
Not transferred by deed.
Not made famous or marked by any great action.

undercrowded
simple past and past participle of undercrowd

underexploited
Not exploited to any great extent; not used to full advantage.

underheard
Having an insufficiently large listening audience; neglected or overlooked as a speaker or musician.

undermounted
Said of a rider mounted on a horse that is not strong or large enough for the size and weight of the rider.
Something that is mounted under something else.

ungreat
Not great.

uninominal
That elects one member from each district, or (of a person) elected from a specific district rather than at large.
Alternative form of uninomial (“consisting of a single word or term”).

universal
Of or pertaining to the universe.
Common to all members of a group or class.
Common to all society; worldwide.
Unlimited; vast; infinite.
Useful for many purposes; all-purpose.

universals
plural of universal

unlarge
Not large; small.

unmassive
Not massive.

unmeasured
Not having been measured.
Beyond measure; vast; measureless.
Unrestrained; without moderation or deliberation.

unreputed
Without a great reputation; insignificant.

unsmall
Not small; large.

unstinted
Not constrained, not restrained, or not confined, great in amount or degree.

untold
Not told; not related; not revealed; secret.
Not numbered or counted.
Not able to be counted, measured, told, expressed in words, or described; extremely large in scale, number, quantity, suffering, damage, etc.; uncountable, unmeasurable, immeasurable, indescribable, inexpressible.

untreasured
Not treasured; unvalued or unbeloved.
Without treasure; possessing or containing no great prize.

upsidedown
Alternative spelling of upside down.

valuable
Having a great value.
Estimable; deserving esteem.

vast
Very large or wide (literally or figuratively).
Very great in size, amount, degree, intensity, or especially extent.
Waste; desert; desolate; lonely.

vaster
Comparative form of vast: more vast.

vastest
Superlative form of vast: most vast.

vastier
comparative form of vasty: more vasty

vastiest
superlative form of vasty: most vasty

vasts
plural of vast

vasty
vast

ventripotent
Having a big belly.
Gluttonous.

ventripotential
Big-bellied; ventripotent.

vertiginous
Having an aspect of great depth, drawing the eye to look downwards.
Pertaining to vertigo (in all its meanings).
Pertaining to vertigo (in all its meanings).
Revolving; rotating; rotatory.

viraginous
Resembling an overbearing woman; shrew-like.
Resembling an Amazon; of a woman with great bravery, strength, or stature.

volumed
Having volume, or bulk; massive.
Having the form of a volume, or roil.

voluminous
Of or pertaining to volume or volumes.
Consisting of many folds, coils, or convolutions.
Of great volume, or bulk; large.
Having written much, or produced many volumes.

voracious
Wanting or devouring great quantities of food.
Having a great appetite for anything; eager.

weak
Lacking in force (usually strength) or ability.
Unable to sustain a great weight, pressure, or strain.
Limp, soft.
Unable to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible; vulnerable.
Having a strong, irrepressible emotional love for someone or (less often) something; sentimentally affected by such love.
Dilute, lacking in taste or potency.
Displaying a particular kind of inflection, including:
Displaying a particular kind of inflection, including:
Displaying a particular kind of inflection, including:
That does not ionize completely into anions and cations in a solution.
One of the four fundamental forces associated with nuclear decay.
Bad or uncool.
Having a narrow range of logical consequences; narrowly applicable. (Often contrasted with a strong statement which implies it.)
Resulting from, or indicating, lack of judgment, discernment, or firmness; unwise; hence, foolish.
Not having power to convince; not supported by force of reason or truth; unsustained.
Lacking in vigour or expression.
Not prevalent or effective, or not felt to be prevalent; not potent; feeble.
Tending towards lower prices.
Lacking contrast.

weake
Obsolete spelling of weak.

weaker
comparative form of weak: more weak
Said of one proposition with respect to another one: that the latter entails the former, but the former does not entail the latter.

weakest
superlative form of weak: most weak

webscale
Involving large amounts of data, on the scale of the World Wide Web.

wellish
Somewhat well; reasonable; adequate.
Somewhat well; in okay but not great health.

wetter
comparative form of wet: more wet.

wettest
superlative form of wet: most wet

whizzo
great; super; wonderful

wholesale
The sale of products, often in large quantities, to retailers or other merchants.

whomper
One who or that which whomps.
A whopper; something remarkably large or intense.

wide
Having a large physical extent from side to side.
Large in scope.
Overweight, obese.
Operating at the side of the playing area.
On one side or the other of the mark; too far sideways from the mark, the wicket, the batsman, etc.
Made, as a vowel, with a less tense, and more open and relaxed, condition of the organs in the mouth.
Vast, great in extent, extensive.
Located some distance away; distant, far.
Far from truth, propriety, necessity, etc.
Of or supporting a greater range of text characters than can fit into the traditional 8-bit representation.
Sharp-witted.

wideboy
Alternative form of wide boy.

wideboys
plural of wideboy

wider
comparative form of wide: more wide

widerspread
comparative form of widespread: more widespread

wides
plural of wide

widescale
Large enough to affect or involve all or most of the relevant area.

widespan
Spanning a relatively large distance or area.

widespread
Affecting, or found throughout, a large area (e.g. the entire land or body); broad in extent; widely diffused.
Spread far apart.