wildly or heedlessly impulsive; reckless; rash: a madcap scheme.
a madcap person.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use madcap in a sentence
That would be a shame, because included within the madcap gags and rapid-fire action are plenty of moments tailored for the grown-ups, too.Refreshing ‘Mitchells vs. the Machines’ an inclusive family treat | John Paul King | February 5, 2022 | Washington Blade
The glue that initially held these madcap proceedings together, Niles’ demise leaves a gaping hole in the squad’s dynamics.‘Doom Patrol’ Is the Craziest DC Superhero Adventure Yet | Nick Schager | September 23, 2021 | The Daily Beast
“Dial A for Aunties” is, hands down, this year’s most madcap, swoony and delightful read.
And it was as madcap, sharp, and romantic as the series was when it left off in May.
But Poehler is, and has been throughout the run of her show, just as good: just as silly, just as madcap, just as witty.What's TV's Funniest Show? Our Emmy Awards Comedy Predictions | Kevin Fallon | August 21, 2014 | THE DAILY BEAST
This was a madcap game, the ball hurtling from end to end, chased by tired legs of every hue.Stars and Stripes 2, Black Stars 1: Team USA Takes a Win From Ghana | Tunku Varadarajan | June 17, 2014 | THE DAILY BEAST
But for all its madcap zaniness, Woke Up Lonely easily refutes the idea that the novel is a staid, obsolete form of writing.
But the extent of the madcap goofiness in the helicopter ride is too much for some 007 diehards.Best James Bond Opening Sequences: ‘Goldeneye’ & More (VIDEO) | Kevin Fallon | October 4, 2012 | THE DAILY BEAST
We should have thought at once the prank that madcap would be at!Dorothy's Travels | Evelyn Raymond
Jean was a bunch of nervous impulses, and no one ever knew where the madcap would bounce up next.Three Little Women | Gabrielle E. Jackson
Captain Jack was open and generous, though a little given to rash enterprise and madcap adventure.Richard Carvel, Complete | Winston Churchill
He shall go to Paris instead of those madcap youngsters with their parties.Dry Fish and Wet | Anthon Bernhard Elias Nilsen
The fiend receive George of Douglas and thee too, thou born madcap and sworn marplot!The Abbot | Sir Walter Scott
British Dictionary definitions for madcap
impulsive, reckless, or lively
an impulsive, reckless, or lively person
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