21-letter words containing c, a, r, k
- rap over the knuckles — to reprimand
- reckless endangerment — a crime whereby a person behaves in a reckless manner which creates a substantial risk of serious physical injury to another person
- red-headed woodpecker — a black and white North American woodpecker, Melanerpes erythrocephalus, having a red head and neck.
- rocky mountain locust — a migratory locust, Melanoplus spretus, that occurs in North America, especially the Great Plains, where swarms cause great damage to crops and other vegetation.
- rocky mountain oyster — mountain oyster.
- s-k reduction machine — An abstract machine defined by Professor David Turner to evaluate combinator expressions represented as binary graphs. Named after the two basic combinators, S and K.
- scarlet monkey flower — any of various plants belonging to the genus Mimulus, of the figwort family, as M. cardinalis (scarlet monkey flower) having spotted flowers that resemble a face.
- school of hard knocks — the experience gained from living, especially from disappointment and hard work, regarded as a means of education: The only school he ever attended was the school of hard knocks.
- skew symmetric matrix — a matrix that is equal to the negation of its transpose
- stick in one's throat — to be difficult, or against one's conscience, for one to accept, utter, or believe
- stock list department — (in an American stock exchange) the department dealing with monitoring compliance with its listing requirements and rules
- tartarian honeysuckle — an Asian honeysuckle, Lonicera tatarica, having fragrant, white to pink flowers.
- tenure track position — a position or office that carries with it the opportunity to eventually obtain tenure or the right to permanent employment
- the corncracker state — a nickname for the state of Kentucky
- the fast track to sth — the quickest or most direct route or system
- the flickertail state — a name for the state of North Dakota
- the joker in the pack — If you describe someone or something as the joker in the pack, you mean that they are different from the other people or things in their group, and can be unpredictable.
- the rock of gibraltar — a limestone promontory at the tip of S Spain
- the yellow brick road — the road to success or happiness (in the film the Wizard of Oz the yellow brick road leads to Oz)
- ticker-tape reception — (mainly in New York) the showering of the motorcade of a distinguished politician, visiting head of state, etc, with ticker tape as a sign of welcome
- to be hard luck on sb — to be unfortunate or unlucky for someone
- to kill a mockingbird — a novel (1960) by Harper Lee.
- to sink without trace — If you say that someone or something sinks without trace or sinks without a trace, you mean that they stop existing or stop being successful very suddenly and completely.
- trustee in bankruptcy — a person appointed by a court to administer the property of a bankrupt.
- white-knuckle paddler — an inexpert and timid canoeist.
- workers' compensation — a government-sponsored insurance system, funded by contributions from employers, for compensating employees for injury or occupational disease suffered in connection with their employment