25-letter words containing t, h, a, l
- to sound the death knelll — If you say that something sounds the death knell for a particular person or thing, you mean it will cause that person or thing to fail, end, or cease to exist.
- to teach someone a lesson — If you say that you are going to teach someone a lesson, you mean that you are going to punish them for something that they have done so that they do not do it again.
- to thank your lucky stars — If you say that someone should thank their lucky stars that something is the case, you mean that they should be very grateful that it is the case, because otherwise their situation would be a lot worse.
- touch/cover all the bases — If someone touches all the bases or covers the bases, they deal with everyone or everything involved in a situation.
- track and field athletics — a collection of sporting events that involve running, sprinting, throwing, jumping and walking
- transcendental-philosophy — transcendental character, thought, or language.
- under the watchful eye of — If you do something under the watchful eye of someone who has authority over you, they watch you carefully to make sure there are no problems.
- undisputed world champion — a boxer who holds the World Boxing Association, the World Boxing Council, the World Boxing Organization, and the International Boxing Federation world championship titles simultaneously
- vertical redundancy check — (storage, communications) (VRC) An error checking method performed on one 8-bit ASCII character, where the 8th bit is used as the parity bit. The resulting parity bit is constructed by XORing the word. The result is a "1" if there is an odd number of 1s, and a "0" if there is an even number of 1s in the word. This method is unreliable because if an odd number of bits are distorted, the check will not detect the error. The Longitudinal Redundancy Check is an improvement.
- vienna development method — (programming, specification) (VDM) A program development method based on formal specification using the Vienna Development Method Specification Language (VDM-SL).
- war of the grand alliance — the war (1689–97) in which England, the Netherlands, Spain, Sweden, and the Holy Roman Empire in league with Bavaria, Brandenburg, Savoy, and the Palatinate opposed France.
- white sands missile range — a U.S. Army military testing ground for rockets and guided missiles in SW New Mexico, W of Alamogordo.
- world health organization — an agency of the United Nations, established in 1948, concerned with improving the health of the world's people and preventing or controlling communicable diseases on a worldwide basis through various technical projects and programs. Abbreviation: WHO.