Using front knobs, auctioneer reset amplifier connected to lot Utterly cheerless star defends revelation US state and river Ultimate grounds Unwanted spot, informally "Unfortunately ..." Up to such time as Unionized? US name for an instrument shaped like a xylophone, but with metal bars Unlawful URL intro Uses steel wool, maybe U.S. pharm. watchdog Unit of resistance Understands USMC ranks Unable to relax, has some vanilla tea served *U.N. conference seeking to eliminate hunger Urban renewal targets U.S. state that produces the most corn Until this time Utility closet item Under a pile of work 'Un ___ Loco' (Afro-Cuban jazz standard) Uncouth, coarse Uses an online engine USMC ranks Unwell Urban areas designated for specific or restricted purposes Unexpected benefit Up to the task Use a keyboard Union grp. since 1955 Universal blood donor Unruly head of hair Uncle Sam feature Uncomfortable skin sensation Underwent a genetic alteration Up to this point Unlock 'Understood' Ultimate ultimatum word Unknown author, briefly Until "Uh … huh-uh" Use a blowtorch Uno y uno Upper house of Congress UC Berkeley, for short ___ up (invigorates) Unrestrained Up-to-date US state Ultimately elegant Celtic language to the point Uncultured in lament ignoring Unknown Soldier? Uno plus due UFO pilots Unit of resistance Use up Users of buggy technology? Unconfident assent Understanding Ultimate aim Use the track Understands Used bathroom during breaks in kind of film for kids? Useful tool Unfolds sexy item Andy repeatedly discovered sweetheart's opening Unrepaired Uphill motorway not that good? Blocked entirely Unacceptable Unpaid Ultimate introduction Uptown Unintelligible UPC kin US food brand, associated with cakes and frozen goods Unsophisticate Unidentified flying object Universal self of Hinduism Unwanted discovery under the bed ___ up (flaked on a date with) Unit of electric potential Used Uber Eats, perhaps Uses the rubber end of a pencil Unmarried lady Unfamiliar with US coins first minted in 1921, the last of their denomination to be struck in silver Unembellished Untaxed sector Utter nonsense Uneven Uplift Unhittable serve Uno y uno Using coercion Uttered Unbending Unstable, like some footwear? Use photo for repairing roof Unlimited alcoholic beverage — rum Untidy heap Underground part of a plant U.S. pollution monitor Uno + uno Ultimate goal Upper bound Unrefined Use a needle Unconvincing Under Unlocked Unpleasant ringing about money Unsettled, head of institute approaches a bishop within Up __ (operational) Unwashed Up __ (how Santa makes his exit) Up __ (adventurous) Unrefined metal Up __ (current) Unexpected charges, and a feature of the answers to the starred clues Unflappable Unspecified amount Unspecified relative putting in effort as paper's adviser Unqualified, so to speak Use a cleaning cloth on Until now Up to Uncle (Sp.) Unemotional U.S. Open champ in 1994 and 1997 Upset about students meeting space enthusiast, one who's boring Up-to-date Unclear, ill-defined Unquestioned beliefs Unit of candy or gold Unfamiliar 'Uh-uh' Unsettlingly odd Unknown quantity in a 10-Down Undefeated boxer Ali Upload returns Unit for Taylor Swift fans Unyielding United in level score at last Unmovable Unsure of oneself Upset Eliot with wrong covers URL ending UFO fliers U.S. military vessel US film star has no space in March Used a lever on Unusually fine Up to Unknown, on a schedule: Abbr U.S. Navy supercarrier Uses the fine china Utter Unopened beef joint Uneasiness from this writer going round French city without leader Unfair outcome Unethical (informal) U.C. Davis athlete Undesirables Umbrella holder USWNT uniform number for Lindsey Horan "Uh-uh" Under-the-table Univ. sessions URL starter Underlying reason 'Unexpressed emotions will never die. They are buried alive, and will come forth ____, in uglier ways' (Sigmund Freud) Uto-Aztecan language Uno, dos o tres Unsteady Unruly pile Used (up) Unruly bunch Urban air hazard Utah city that shares its name with a biblical kingdom Upsetting part of sermon evoked rancour Unusual form of capital Y US state split by ex-monarch's notary Umlaut scrawled over man's name; accept it or else! Ultimate consumer Urban back streets Untruthful person Uno + dos Use an abacus, perhaps Usual or typical standard Unrestrained joy in a singing club? Unyielding Unsightly Unit of biological heredity United group Utah ski town Unlucky recipient of a horse statue Unrefined ancient city in African province Used a loom Untamed Utilises Unhappy Unauthorised absence from school Uneven hairdo Useful shot against a volleyer UFO passengers Urban haze "___ up!" ("Dig in!") Uno, dos, tres, etc Undercover drug cop Upper limit, informally Up and about, crying like a frenzied animal US artist coming from hotel, half-improved Using oxygen to produce energy Unexpressive Unfavorable Up to this point Use, as resources Unpleasant scents Urge (on) Underwear stocks, say? Unceasingly Urgent, hyperbolically "Undoubtedly" Upcycle, say Up in the air Unresolved Unsavory look Unnerve Upper limit Unrefined metals Unfit for consumption Unvarnished Upgrades or downgrades Unite beneath a chuppah, e.g ___ usual University of Maine town Uttered Usual Urethane is an ____ of carbamic acid Use a keypad Uncommon Unwieldy ship Unearthly odd ___ update (progress check) Up to UFO crew, maybe University near Harvard U.S. org. with cryptologists