Letter U 250–500

Unfruitful Unproductive Unsuccessful Unsuccessful, as a mission unformed unripe Unbound Unbridled uncurbed unimpeded unleashed unnecessary Unfair Unsatisfactory Up and __ (on the move) Up and ___ Up and ___: all better Up and around Up's companion Up's partner Upon Upper ___ uncompleted unethically unready up to a point U-turn Under's reverse Untimely? Up Up here Up in the air Up there Upstairs unwarranted Unadulterated Unfailing Upright unperjured unreserved Unassailable Universal recipient type Unlike the OED Use a file, e.g. Use a pumice stone Use a rasp Use a rasp on Use emery Use emery cloth Use emery on Use sandpaper Use sandpaper on Use sandpaper on, say Uncle of Lot U.S. president, 1861 to 1865 U.S. president, 1861-1865 unmelodious Up to date with, with "of" Up with, with "of" Up-to-date Up on Up to date with Using a passport Using a passport, say Using one's passport, perhaps Using one's passport, say Undo Unceremonious Unceremoniously curt Uncivilised Uncultured Uneasy Unexpectedly curt Unforeseen Ungracious Unsmiling Untrained unanticipated uneducated ungraceful unlearned unmannerly unneighbourly untaught unthankful untutored up high Unchecked unhindered unobstructed Unconditional: Abbr. Undrinkable six-pack Univ. degrees Upper muscles U.S. political scandal involving a fictional sheik Ulcer usually includes taking something or somebody along Unable to hear a lecture, say Unclear Unconvincing Undependable Undetermined. Unemployed Unenlightened Unfixed Unimpor-tant Unsettled uncreative unintentional unplanned unprepared unreasonable unrepresented unsecured unsure uprooted used up Ubiqui-tous Ultimate Ultra Unalloyed Unbending Unblemished Undefined Undeniable Undiluted Undiminished Undisputed Unequivocal Universal Universe Unkind Unmatched Unmitigated Unmixed Unmoving Unqualified, total Unquestionable Unsurpassed Unyield-ing Utmost Utter uncharitable unconquerable uncontested unequalled unexampled unmerciful unpermissive unrelenting unrivalled uppermost unconditionally unequivocally unquestionably unreservedly utterly Unquestionably correct Ultimate sandwich spread? Union Unity unanimity unification uniformity uniqueness unison unit Useful musical ability Ultimates and perfections. Ultimates. Understanding unlimited rule Unburden of blame Use a paper towel Use up. undistracted Unfeeling Underhanded Undisclosed unclassifiable unpractical Unconcerned Uninvolved Unbelievable Undistinguished Unimaginative Uninteresting Unmoved Unthink-ing Utterly illogical Utterly ridiculous Utterly senseless unastonished unexcited unfertile uninspired unintelligent uninventive unmeaning unmotivated unphilosophical unreflecting unremarkable untalented unwise unintelligence uselessness U.S. dance co. U.S. dance grp. US dance company UAE sheikdom United Arab Emirates capital Unbounded uncounted unexpressed unimaginable unrelated unspeakable untold unutterable Unexpected support you’d find at sea, expressed informally "Us on ___," old song Use beyond capacity use foul or abusive language towards Used improperly, as a privilege Unfairly takes advantage of, as a policy Unappealing Uncivil Undesirable Unflattering Unfriendly Using harsh words. Using insulting language unattractive undeserved unenviable unfavourable uninviting unjustifiable unparliamentary unwelcome upon Touch unflagging Unit of electric potential unit of potential difference in the electromagnetic system unit of power Unfathomable crevasse Unfathomable crevice Unable to get much worse Unfathomable