Synonym: betise, folly, foolishness, imbecility. Similar words: cupidity, stupid, avidity, rigidity, validity, lucidity, solidity, humidity. Meaning: [stuː'pɪdətɪ /-tju-] 
n. 1. a poor ability to understand or to profit from experience 2. a stupid mistake.
n. 1. a poor ability to understand or to profit from experience 2. a stupid mistake. 
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91. Failure is the consequence of laziness, irresponsibility, recklessness and emotional stupidity. Dr T.P.Chia 
92. Ignoring our mistakes is a sign of immaturity and stupidity. Dr T.P.Chia
93. This lack of understanding is not caused by our stupidity.
94. The more stupid one is, the closer one is to reality. The more stupid one is, the clearer one is. Stupidity is brief and artless, while intelligence squirms and hides itself. Intelligence is unprincipled, but stupidity is honest and straightforward. Fyodor Dostoyevsky
95. Stupidity refuses to listen when wisdom speaks. Intelligence listens attentively when wisdom speaks. Dr T.P.Chia
96. You can never underestimate the stupidity of the general public. Scott Adams
97. Willful stupidity makes him absolutely livid.
98. Your stupidity was a contributory cause of the fire.
99. She silently cursed her own stupidity.
100. I was astonished by his stupidity.
101. Such stupidity is without equal in the entire history of human relations.
102. Is this the first of many questions that will plumb the depths of stupidity?
103. The council want ordinary residents to foot the bill for their stupidity.
104. Parsons swallowed it easily, with the stupidity of an animal.
105. Sponsored by American money. Gotta love it. The Chinese at least have a goal in space while we wallow in our own stupidity aimless thanks to our one termer.
106. Hereditary aristocracies, Douthat writes, suffer from stupidity and pigheadedness, while one-party states do so from ideological mania.sentencedict.com/stupidity.html
107. The scene is gory and hideous, but Tarantino wants you to laugh during this scene, to take in the excessiveness of it all and chuckle at its stupidity.
108. Mademoiselle Vaubois , perfect in her style , was ermine of stupidity without a single spot of intelligence.
109. Perhaps you do. Here are the third annual Meanie Awards for remarkable achievement in stupidity and hypocrisy in 2010.
110. A common way to pump ourselves up is to gloat over the stupidity of others.
111. Alice would play the devil with me for my stupidity.
112. But the stupidity of the people perpetrate them shouldn't be ignored or forgiven.
113. The Chinese at least have a goal in space while we wallow in our own stupidity aimless thanks to our one termer.
114. Every movement showed a massive, slumbrous strength , and a stupidity which held them in subjection.
115. Do you think her beauty could makeup for her stupidity?
116. Soon after this, they ruined Luc Besson's film Arthur and the Invisibles by making changes for the American audience (including Jimmy Fallon again in voice-over stupidity).
117. It was the war. He did not say that he hated it but I can see he hated it very much. War comes fron the stupidity and cruelty of human, who always boasts his wisdom and benignancy.
118. In The Magician of Lublin, his masterpiece, Singer flattens the three major female characters as signs of ugliness, stupidity and licentiousness.
119. Seeing the profits slip from Hugh's fingers, Scarlett became frenzied at her impotence and his stupidity.
120. I don't suppose they were daft enough to ask him why he had left, although one underestimates the stupidity of the club at one's peril.
More similar words: cupidity, stupid, avidity, rigidity, validity, lucidity, solidity, humidity, placidity, morbidity, hyperacidity, cupid, epididymis, stupor, stupefy, stupefied, stupendous, iditarod, stupefaction, oddity, nudity, heredity, commodity, fecundity, profundity, pupil, supine, lupine, jupiter, marsupial.