What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
See definition of folly
1‘he cursed himself for his folly’
foolishness, foolhardiness, stupidity, idiocy, imbecility, silliness, inanity, lunacy, madness, rashness, recklessness, imprudence, injudiciousness, lack of caution, lack of foresight, lack of sense, irrationality, illogicality, irresponsibility, thoughtlessness, indiscretion
informal craziness
British informal daftness
wisdom, good sense