Dictionary.com

madcap

[ mad-kap ]
/ ˈmædˌkæp /
Save This Word!
See synonyms for: madcap / madcaps on Thesaurus.com

adjective
wildly or heedlessly impulsive; reckless; rash: a madcap scheme.
noun
a madcap person.
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…

Origin of madcap

First recorded in 1580–90; mad + cap1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use madcap in a sentence

British Dictionary definitions for madcap

madcap
/ (ˈmædˌkæp) /

adjective
impulsive, reckless, or lively
noun
an impulsive, reckless, or lively person

Word Origin for madcap

C16: from mad + cap (in the figurative sense: head)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK