6-letter words starting with u
- upsize — to increase the operating costs of (a company) by increasing the number of people it employs
- upsoar — to soar upwards
- upspin — a sudden, upward, spiraling movement, trend, etc.: another upspin in construction costs.
- upstay — to support or sustain
- upstep — the phenomenon of one tone becoming higher than another in certain words of tonal languages
- upstir — a commotion or disturbance
- upsway — to swing upwards in the air
- uptake — apprehension; understanding or comprehension; mental grasp: quick on the uptake.
- uptalk — a rise in pitch at the end usually of a declarative sentence, especially if habitual: often represented in writing by a question mark as in Hi, I'm here to read the meter?
- uptear — to wrench or tear out by or as if by the roots or foundations; destroy.
- uptick — a rise or improvement in business activity, in mood, etc.
- uptilt — to tilt up.
- uptime — the time during which a machine or piece of equipment, as a computer, is operating or can be operated.
- uptorn — past participle of uptear.
- uptoss — to throw or toss upwards
- uptown — to, toward, or in the upper part of a town or city: He rode uptown on the bus.
- upturn — to turn up or over: The farmer upturned clumps of sod with his spade.
- upvote — such a favorable vote: One of my posts is getting lots of upvotes.
- upwaft — to waft upwards
- upward — toward a higher place or position: The birds flew upward.
- upwarp — a geologic structure, usually of relatively large dimensions, whose flanks slope gradually away from the center.
- upwell — to well up, as water from a spring.
- upwind — toward or against the wind or the direction from which it is blowing: The hunters stalked upwind.
- upwrap — a fold with downward sloping layers; an anticline
- uracil — Biochemistry. a pyrimidine base, C 4 H 4 N 2 O 2 , that is one of the fundamental components of RNA, in which it forms base pairs with adenine. Symbol: U.
- uraeus — the sacred asp as represented upon the headdress of divinities and royal personages of ancient Egypt, usually directly over the forehead, as an emblem of supreme power.
- uralic — a family of languages that comprises Finno-Ugric and Samoyed as subfamilies. Hungarian, Finnish, and Estonian belong to Uralic.
- uralsk — a city in W Kazakhstan, on the Ural River.
- urania — Classical Mythology. the Muse of astronomy.
- uranic — of or relating to the heavens; astronomical: uranic principles.
- uranin — an alkaline salt of fluorescein, used as a brownish-red dye
- urano- — denoting the heavens
- uranus — Astronomy. the planet seventh in order from the sun, having an equatorial diameter of 32,600 miles (56,460 km), a mean distance from the sun of 1,784 million miles (2,871 million km), a period of revolution of 84.07 years, and 15 moons.
- uranyl — the bivalent ion UO 2 +2 , or the group UO 2 , which forms salts with acids.
- urartu — an ancient kingdom, c1270–750 b.c., in E Turkey, on the shore of Lake Van: often invaded by Assyria.
- uratic — a salt of uric acid.
- urbana — a city in E Illinois, adjoining Champaign.
- urbane — having the polish and suavity regarded as characteristic of sophisticated social life in major cities: an urbane manner.
- urchin — a mischievous boy.
- urease — an enzyme that changes urea into ammonium carbonate, occurring in bacteria, fungi, etc.
- uredia — uredinium.
- ureide — an acyl urea.
- uremia — a condition resulting from the retention in the blood of constituents normally excreted in the urine.
- uremic — pertaining to uremia.
- uresis — the passing of urine; urination
- ureter — a muscular duct or tube conveying the urine from a kidney to the bladder or cloaca.
- uretic — of, relating to, or occurring in the urine.
- urgent — compelling or requiring immediate action or attention; imperative; pressing: an urgent matter.
- urging — to push or force along; impel with force or vigor: to urge the cause along.
- urico- — uric acid