The phrase refers to crossword puzzles characterised by an exceptionally excessive diploma of issue and complexity. These puzzles usually make use of obscure vocabulary, intricate wordplay, and unconventional clue buildings to problem solvers. A puzzle requiring deep information of trivia, anagram fixing expertise, and lateral pondering may very well be described utilizing this phrase.
The significance of tackling exceedingly tough crosswords lies of their capability to boost cognitive skills, develop vocabulary, and foster problem-solving methods. Traditionally, the creation and fixing of advanced phrase puzzles have been related to mental stimulation and psychological acuity, offering a rigorous psychological exercise and a way of accomplishment upon completion.