Folly

1.

~ (to do something) (foolishness, a foolish action, lack of sense, foolish idea or behavior) the folly of a course ភាពកំព្រើល, It was a great folly កំហុស
Example: People once thought that steam engines wouldn't work, so they called the first steamboat "Fulton's Folly".

1.

The state of being foolish; want of good sense; levity, weakness, or derangement of mind.

2.

A foolish act; an inconsiderate or thoughtless procedure; weak or light-minded conduct; foolery.

3.

Scandalous crime; sin; specifically, as applied to a woman, wantonness.

4.

The result of a foolish action or enterprise.

Synonyms

1.

foolishness, imbecllity, silliness

2.

absurdity, ellimprudence, indiscretion

Antonyms

1.

sense, wisdom

2.

judgment, prudence, reasonablene