folly noun
1 lack of good judgement
ADJ. absolute, sheer | ultimate | youthful | human | economic, political
VERB + FOLLY realize, recognize, see Suddenly she saw the folly of it all. | demonstrate, show These facts demonstrate the folly of the policy. | underline
PHRASES an act of folly That would be an act of sheer folly! | the folly of your ways They have finally seen the folly of their ways. | the height of folly To sign away his rights to the book would have been the height of folly.
2 building
ADJ. Gothic, Victorian | monumental | architectural
VERB + FOLLY build
You can also check other dicts: folly (English, 中文解释 ), wordnet sense, Collins Definition