Synonym: betise, craziness, folly, imbecility, madness, stupidity, unwiseness. Similar words: foolish, foolishly, lavishness, freakishness, childishness, rashness, harshness, freshness. Meaning: [fuːlɪʃnɪs] 
n. 1. the trait of acting stupidly or rashly 2. the quality of being rash and foolish 3. a stupid mistake.
n. 1. the trait of acting stupidly or rashly 2. the quality of being rash and foolish 3. a stupid mistake. 
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1. Critics scored him for his foolishness.
2. We condemned his foolishness.
3. First love is only a little foolishness and a lot of curiosity.
4. This was foolishness on a heroic scale.
5. His actions are a monument to foolishness.
6. His foolishness almost cost him his life.
7. Jenny had to laugh at her own foolishness.
8. The father expostulate with his son about the foolishness of leaving school.
9. The coming of spring often induces light-hearted foolishness in many people.
10. The comic skIt'sent up the foolishness of young men in love.
11. They don't accept any foolishness when it comes to spending money.
12. The comic skit sent up the foolishness of young men in love.
13. True education is the weapon against stupidity and foolishness. Dr T.P.Chia 
14. It is still foolishness and a stumbling block.
15. Wisdom attracts honor. Foolishness invites disgrace. Dr T.P.Chia
16. Self-restraint is wisdom. Impulsiveness is foolishness. Dr T.P.Chia
17. It had been foolishness to be so jealous.
17. Sentencedict.com try its best to gather and make good sentences.
18. Perhaps the most conspicuous example of this well-intentioned foolishness is the minimum wage.
19. His foolishness made him smile and think fondly of himself as he turned over on his side, facing her.
20. Love is the foolishness of men, and the wisdom of God. Victor Hugo
21. But the collective foolishness of amending the Constitution wholesale really takes the cake.
22. It would be arrogant foolishness to ignore that experience and to start from scratch designing a stringing by ear.
23. So tenacious was human foolishness.
24. He feared that smart for this foolishness.
25. He feared that he would smart for this foolishness.
26. Peter used to fret about his foolishness.
27. He shall smart for his foolishness.
28. Some of those old guys are still around, shaking their heads, wondering how long this foolishness will continue.
29. He told her of the disease, of its origin, of the blind foolishness that had freed it.
30. Who worked later than any of us on the college paper and brooked no foolishness.
More similar words: foolish, foolishly, lavishness, freakishness, childishness, rashness, harshness, freshness, brashness, highness, toughness, polish, smoothness, abolish, polished, demolish, coolness, demolished, politeness, impoliteness, fool, foolproof, foolhardy, fool's errand, fool around, tomfoolery, earnestness, hooligan, uselessness, selflessness.