Answer: folly

AnswerCrossword Clue
FOLLYHuge mistake
FOLLY"'Tis ... to be wise"
FOLLYUnwise behavior
FOLLYJackassery
FOLLYLack of good sense
FOLLYBad move
FOLLYImprudence
FOLLYUnreason
FOLLYUnwise undertaking
FOLLYThoughtless act.
FOLLYSeward's purchase, it was said
FOLLYSeward s ...
FOLLYCraziness
FOLLYImbecility
FOLLYFoolish move
FOLLYWhimsical addition to an English garden
follyto act with folly / a foolish idea or action
follyfoolishness or a foolish action or idea
FOLLYMisguided act
FOLLYUnwise investment
FOLLYIndiscretion
FOLLYMadness
FOLLYSeward's Alaska purchase, to some
FOLLYSupreme stupidity
FOLLYAbsurdity
FOLLYNonsensical act
FOLLYFoolishness
FOLLYSenselessness
FOLLYAbsurd idea
FOLLYImprudent undertaking
FOLLYImprudence.
FOLLYLack of good sense.
FOLLYWant of good sense.
FOLLYFoolish act.
FOLLYUnprofitable undertaking.