The phrase signifies a state of ill health, often used informally. Clues for this state in crossword puzzles can range from simple synonyms like “sick” or “ill” to more evocative descriptions such as “ailing,” “peaked,” or “out of sorts.” Cryptic crosswords might employ more complex wordplay related to sickness or discomfort.
This type of clue represents a common intersection of everyday language and the world of puzzles. It highlights the way crosswords draw upon familiar expressions, idioms, and colloquialisms, adding a layer of cultural relevance. Understanding such clues relies not just on vocabulary, but also on a grasp of idiomatic language and its nuanced meanings. This connection to common parlance makes crosswords more accessible and engaging for a wide audience.