18-letter words containing t, h, a, k
- the black and tans — a specially recruited armed auxiliary police force sent to Ireland in 1921 by the British Government to combat Sinn Féin
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- the cat's whiskers — a person or thing that is excellent or superior
- the dark continent — a term for Africa when it was relatively unexplored
- the masurian lakes — a group of lakes in Masuria in NE Poland: scene of Russian defeats by the Germans (1914, 1915) during World War I
- the northern karoo — a high arid plateau in South Africa, north of the Central Karoo
- the-cocktail-party — a play in verse (1950) by T. S. Eliot.
- the-dark-continent — Africa: so called, especially during the 19th century, because little was known about it.
- thorfinn karlsefni — 980–after 1007, Icelandic navigator, explorer, and leader of early colonizing expedition to Vinland, in North America.
- tick all the boxes — to satisfy all of the apparent requirements for success
- to clear the decks — If you clear the decks, you get ready to start something new by finishing any work that has to be done or getting rid of any problems that are in the way.
- to lay it on thick — If someone is laying it on thick or is laying it on, they are exaggerating a statement, experience, or emotion in order to try to impress people.
- to lick into shape — If you lick, knock, or whip someone or something into shape, you use whatever methods are necessary to change or improve them so that they are in the condition that you want them to be in.
- to pick and choose — If you pick and choose, you carefully choose only things that you really want and reject the others.
- to take the mickey — If you take the mickey out of someone or something, you make fun of them, usually in an unkind way.
- to take the plunge — If you take the plunge, you decide to do something that you consider difficult or risky.
- turk's-head cactus — a cactus, Melocactus communis, of Jamaica, having needlelike spines and a cylindrical body with a tawny-red, fezlike terminal part bearing red flowers.
- under the jackboot — If a country or group of people is under the jackboot, they are suffering because the government is cruel and undemocratic.
- upper klamath lake — See under Klamath Lakes.
- westinghouse brake — a railroad air brake operated by compressed air.
- whittaker chambers — Robert, 1802–71, Scottish publisher and editor.