unconscionable.adjective
not restrained by conscience; unscrupulous-(unconscionable behavior); beyond prudence or reason; excessive (unconscionable spending; unconscionable acts made legal)
unconscionableness.noun
unconscionably.adverb

unscrupulous.adjective
devoid of scruples; oblivious to or contemptuous of what is right or honorable  unscrupulously.adverb
unscrupulousness.noun

unpretentious.adjective
lacking pretension or affectation; modest; plain
unpretentiously.adverb
unpretentiousness.noun

urge, urged, urging, urges.verbs
transitive verb use.to force or drive forward or onward; impel. 2. to entreat.earnestly and often repeatedly; exhort; to advocate earnestly the doing, consideration, or approval of; press for; to stimulate; excite
intransitive verb use.to exert an impelling force; push vigorously

urgent.adjective
compelling immediate action or attention; pressing; insistent or importunate (the urgent words 'Hurry! Hurry!'); conveying a sense of pressing importance (an urgent message)
urgently.adverb

urgency.noun, plural.urgencies
the quality or condition of being urgent; pressing importance (the urgency of the call for help); a pressing necessity

unpleasant.adjective
not pleasing; disagreeable
unpleasantly.adverb

unsightly, unsightlier, unsightliest.adjectives
unpleasant or offensive to look at; unattractive; ugly
unsightliness.noun

unduly.adverb
excessively; immoderately.(unduly being interested in getting better educated will lead one to the means of accomplishment)

undue.adjective
exceeding what is appropriate or normal; excessive; undue use of force; not yet payable or due (an undue loan)

unessential.adjective
not necessary or important; dispensable
unessential.noun
what is unnecessary

unvarying, unvariable, unvaried.adjectives
not varying

undisputed.adjective
without dispute

unnecessary.adjective
not necessary; needless
unnecessarily.adverb

undoubted.adjective
accepted as beyond question; undisputed; authentic
undoubtedly.adverb

unyielding.adjective
not bending; inflexible; not giving way to pressure or persuasion; obdurate
unyieldingly.adverb
unyieldingness.noun

Upanishad.noun
any of a group of philosophical.treatises.contributing to the theology of ancient.Hinduism, elaborating on the earlier Vedas
Upanishadic.adjective

unprincipled.adjective
lacking principles or moral.scruples; unscrupulous.(unprincipled behavior
unprincipledness.noun

uncertain.adjective
not sure of something; not having confidence enough in to proceed; questionable; undecided (uncertain plans to go away in winter); not having sure knowledge (I recall the events with some uncertainty; subject to change; variable (uncertain weather)
uncertainly.adverb
uncertainness.noun

uncertainty.noun, plural.uncertainties
the condition of being uncertain; doubt; something uncertain (the uncertainties of modern life)

undecided.adjective
not yet determined or settled; open (we are still undecided as to where to go for our vacation); not having reached a decision
undecided.noun, plural.undecideds
undecidedly.adverb
undecidedness.noun

unverified.transitive verb
that which has not been verified
unverifiable.adjective

unavoidable.adjective
impossible to avoid; inevitable; certain
unavoidability.or.unavoidableness.noun
unavoidably.adverb

unjust.adjective
violating ethical standards; fairness; unfair; dishonest
unjustly.adverb
unjustness.noun
unjustifiable.adjective
impossible to excuse, pardon, or justify
unjustifiably.adverb

unprejudiced.adjective
free from prejudice; impartial; fair

underhand.also.underhanded.adjective
marked by or done in a deceptive, secret, or sly.manner; dishonest and sneaky; in a sly and secret way
underhand, underhandedness.nouns
underhandedly.adverb
Sports.-.executed with the hand brought forward and up from below the level of the shoulder; underarm (an underhand pitch; throw the ball underhand)

undefiled.adjective
not defiled; free from that by which the nature of a thing is deformed and debased, or its force and vigour impaired

unconventional.adjective
not adhering to convention; out of the ordinary
unconventionality.noun
unconventionally.adverb

unreasoned.adjective
not based on or guided by reason; unreasonable (unreasoned prejudices)

unguent.noun
a salve for soothing or healing; an ointment
unguentary.adjective

unscathed.adjective
not injured or harmed: escaped the hurricane unscathed