This section is from the book "Hill's Manual Of Social And Business Forms: A Guide To Correct Writing", by Thos. E. Hill. Also available from Amazon: Hill's Manual Of Social And Business Forms: The How-To-Do-Everything Book Of Victorian America.
Undaunted - courageous, bold, fearless, intrepid.
Undeniable - indisputable, incontrovertible, unquestionable.
Under - subordinate, lower, beneath, below, inferior, subject, subjacent.
Understanding - conception, intelligence, comprehension, sense, perception, faculty, reason, intellect.
Undetermined - uncertain, irresolute, hesitating, wavering, unsteady, doubtful, vacillating, fluctuating.
Unfaithful - untruthful, faithless, dishonest, disloyal, treacherous, perfidious.
Unfold - explain, divulge, reveal, unravel, develop, expand, open, display.
Unhandy - ungainly, awkward, uncouth. clumsy.
Unhappy - distressed, miserable, unfortunate, afflicted, wretched.
Uniform - even, alike, equal, same.
Unimportant - trivial, trifling, immaterial, insignificant, petty, inconsiderable.
Unlearned - uninformed, unlettered, ignorant, illiterate.
Unlike - distinct, dissimilar, different.
Unlimited - infinite, boundless, unbounded, illimitable.
Unquestionable - indubitable, undeniable, indisputable, incontrovertible.
Unravel - unfold, disentangle, extricate, reveal.
Unrelenting - unforgiving, hard-hearted, inexorable, relentless.
Unruly - unmanageable, uncontrollable, refractory, ungovernable.
Unseasonable - ill-timed, unfit, untimely, unsuitable, late.
Unsettled - doubtful, wavering, undetermined, unsteady, vacillating.
Unspeakable - unutterable, inexpressible.
Unstable - inconstant, mutable, vacillating, changeable, wavering.
Untimely - inopportune, premature, unseasonable, unsuitable.
Unwilling - loth, backward, disinclined, disliking, averse, reluctant.
Upbraid - reprove, censure, reproach, blame.
Uproar - noise, confusion, bustle, tumult,' disturbance.
Urbanity - courtesy, affability, suavity, civility.
Urge - press, incite, impel, instigate, stimulate, encourage, animate.
Urgent - importunate, pressing, earnest.
Usage - habit, fashion, custom, treatment, prescription.
Use - practice, custom, habit, service, usage, advantage, utility. Usually - generally, commonly.
Utility - use, service, benefit, advantage, convenience, usefulness.
Utterly - perfectly, completely, fully.
Vacant - void, empty, devoid, unused.
Vague - unsettled, indefinite.
Vain - conceited, useless, fruitless, idle, ineffectual.
Valedictory - farewell, taking leave.
Valuable - expensive, costly, precious, useful, worthy, estimable.
Value - price, worth, rate, appreciation, estimation, account, ap-praise, assess, compute, regard, respect.
Vanity - pride, haughtiness, conceit, arrogance.
Vanquish - subdue, overcome, slay, conquer, confute, subjugate.
Variable - transitory, capricious, fickle, unsteady, changeable, versatile, wavering.
Variation - deviation, change, variety, vicissitude.
Variety - diversion, change, difference.
Various - sundry, different, diverse.
Vehement - hot, eager, ardent, fiery, passionate, violent, impetuous.
Velocity - speed, celerity, swiftness, fleetness, rapidity, quickness.
Venerate - worship, reverence, respect, adore.
Veracity - honesty, truth, integrity. Verbal - oral, vocal.
Vestige - evidence, mark, trace, track.
Vexation - chagrin, uneasiness, trouble, sorrow, mortification.
Vicinity - locality, neighborhood, nearness, section.
View - picture, prospect, survey, landscape, see, look, behold.
Vigorous - robust, active, energetic, powerful, agile, forcible, potent.
Violent - turbulent, boisterous, impetuous, furious.
Virtue - chastity, purity, efficacy, goodness.
Visible - apparent, discernible, evident, plain, distinct, manifest, doubtless, obvious.
Visionary - fanatic, enthusiast, dreamer, imaginary, fanatical.
Volatility - lightness, flightiness, levity, giddiness, sprightliness, liveliness.
Vouch - assure, warrant, affirm, aver, protest, attest.
Vulgar - ordinary, common, low, mean.
Wages - stipulation, hire, salary, pay, allowance.
Wakeful - vigilant, attentive, observant, watchful.
Wander - roam, stroll, ramble, rove, range, journey.
"Want - indigence, need, poverty, lack.
Ware - goods, merchandise, commodity.
Warlike - military, martial.
Warmth - fervor, ardor, cordiality, animation, heat, fervency, vigor, glow, zeal, vehemence.
Warning - notice, advice, monition, caution.
Wary - discreet, guarded, watchful, cautious, circumspect.
Waste - loose, dissipate, spend, expend, consume, lavish, squander.
Wasteful - profuse, extravagant, lavish, prodigal.
Watchful - cautious, observant, vigilant, careful, circumspect, attentive, wakeful.
Waver - hesitate, vacillate. fluctuate, scruple, to be undetermined.
"Way - plan, method, course, man ner, system, means, fashion, road, route.
Weak - infirm, feeble, enfeebled, debilitated, enervated.
Wealth - opulence, riches, affluence.
Weakness - debility, feebleness, frailty, infirmity, languor, failing, imbecility, silliness, folly.
Weariness - languor, lassitude, tediousness, fatigue.
Weary - annoy, distress, harass, jade, tire, vex, perplex, subdue.
Weight - load, burden, heaviness, gravity, importance, signification.
Welcome - desirable, agreeable, grateful, acceptable.
Wherefore - consequently, accordingly, so, then, therefore, thence, hence.
Whiten - blanch, fade, bleach.
Whole - undivided, complete, entire, perfect, total, uninjured, sum.
Wicked - sinful, guilty, unjust, flagrant, impious, atrocious, villainous, criminal, depraved, outrageous.
Wily - cunning, artful, subtle, crafty.
Wisdom - foresight, prudence, knowledge, understanding.
Withdraw - retreat, recede, go back, retire, take back, retrograde.
Withhold - forbear, refrain, refuse, hinder, keep back.
"Wonder - astonishment, marvel, surprise, admiration, amazement.
Wonderful - strange, curious, astonishing, surprising, marvelous, admirable.
Worthy - estimable, deserving, meritorious.
Wretched - unhappy, miserable.
Writer - author, scribe.
Yearly - annually.
Yet - but, however, notwithstanding, still, nevertheless.
Yield - comply, conform, concede, allow, produce, permit, resign, surrender.
Zeal - warmth, ardor, fervor, enthusiasm.
Zealous - concerned, earnest, ardent, fervent, anxious, warm, enthusiastic.