imbecility

noun
im·​be·​cil·​i·​ty | \ ˌim-bə-ˈsi-lə-tē \
plural imbecilities

Definition of imbecility

1a : the quality or state of being very stupid or foolish : utter foolishness … it seemed a very odd business, filled with illusions and delusions, at times noble to the point of imbecility and at other times base to the point of amorality.— Colleen McCullough also : futility
b : something that is foolish or nonsensical … his satire on the imbecilities and greed of politicians …— Nicholas Von Hoffman
2 dated, now offensive : the condition of being affected with moderate mental retardation

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Examples of imbecility in a Sentence

was arrested for the sheer imbecility of speeding down a dark road with no headlights on we were stunned by the imbecility of the ideas presented by this once-respected biologist

First Known Use of imbecility

circa 1533, in the meaning defined at sense 2

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Dictionary Entries near imbecility

imbe

imbecile

imbecilely

imbecility

imbed

imbellious

imbibe

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Time Traveler for imbecility

The first known use of imbecility was circa 1533

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