A cryptic crossword is a crossword puzzle in which each clue is a word puzzle. Cryptic crosswords are particularly popular in the United Kingdom, where they originated,[1] as well as Ireland, the Netherlands, and in several Commonwealth nations, including Australia, Canada, India, Kenya, Malta, New Zealand, and South Africa. Compilers of cryptic crosswords are commonly called setters in the UK[2] and constructors in the US. Particularly in the UK, a distinction may be made between cryptics and quick (i.e. standard) crosswords, and sometimes two sets of clues are given for a single puzzle grid.
Cryptic crossword puzzles come in two main types: the basic cryptic in which each clue answer is entered into the diagram normally, and themed or variety cryptics, in which some or all of the answers must be altered before entering, usually in accordance with a hidden pattern or rule which must be discovered by the solver.