17-letter words starting with u
- unsubstantiatable — to establish by proof or competent evidence: to substantiate a charge.
- unsympathetically — in a manner that is not characterized by feeling or showing sympathy
- up/raise the ante — If you up the ante or raise the ante, you increase your demands when you are in dispute or fighting for something.
- upper paleolithic — See under Paleolithic.
- upper yukon river — Lewes River.
- urban development — the development or improvement of an urban area by building
- urban exploration — a recreational activity in which people explore derelict urban structures such as abandoned sewers or underground railways or attempt to access areas which are closed to the public such as the roofs of skyscrapers
- urogenital system — the urinary tract and reproductive organs
- used-car salesman — a person who sells used cars
- user brain damage — (humour) (UBD) A description (usually abbreviated) used to close a trouble report obviously due to utter cluelessness on the user's part. Compare pilot error; opposite: PBD; see also brain-damaged, PEBCAK.
- utagawa kuniyoshi — original name Igusa Magosabwo. 1797–1861, Japanese painter and printmaker of the ukiyo-e school, best known for his prints of warriors and landscapes
- utmost good faith — a principle used in insurance contracts, legally obliging all parties to reveal to the others any information that might influence the others' decision to enter into the contract
- utopian socialism — (sometimes initial capital letter) an economic system based on the premise that if capital voluntarily surrendered its ownership of the means of production to the state or the workers, unemployment and poverty would be abolished.