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Definition of madcap

madcap

/ˈmæd.kæp/
mad · cap
Plural:madcaps
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madcap Lexical Profile

madcap Game Scores & Validity

• adjective

1

Amusingly eccentric, reckless, or impulsive; wildly thoughtless or lively.

Example

"The film is a madcap comedy about two friends who accidentally swap suitcases with a pair of international jewel thieves."

Synonyms
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Antonyms
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• noun

1

A lively, impulsive, or reckless person who acts primarily for amusement without regard to consequences.

Example

"Throughout college, she was known as a lovable madcap who was always ready for a midnight road trip."

Synonyms
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• Nearby Words

madakaripura
madam
madame
madcap
madden
maddening
maddeningly

Word Origin & Etymology

Coined in the late 16th century from 'mad' and 'cap', where 'cap' figuratively referred to the head or mind, literally meaning a 'crazy-head'.

Cite this Entry

Wordmom. (2026). Definition of Madcap. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/madcap
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