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Synonyms

madcap

American  
[mad-kap] / ˈmædˌkæp /

adjective

  1. wildly or heedlessly impulsive; reckless; rash.

    a madcap scheme.


noun

  1. a madcap person.

madcap British  
/ ˈmædˌkæp /

adjective

  1. impulsive, reckless, or lively

"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

noun

  1. 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

Etymology

Origin of madcap

First recorded in 1580–90; mad + cap 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But several of those madcap ideas flummoxed fans—Carlin pointed to the 1972 single “Mary Had a Little Lamb,” which was inspired by the nursery rhyme.

From The Wall Street Journal

The wryly funny “Seasons” is hardly a madcap romp in Nazi-occupied Warsaw, but it does have some kinship with “To Be or Not to Be,” the Ernst Lubitsch comedy of 1942.

From The Wall Street Journal

Conlon, who will be named conductor laureate upon his departure, is set to close the season on a high note with Mozart’s madcap comedy “The Marriage of Figaro.”

From Los Angeles Times

With a major role in Josh Safdie’s madcap ping-pong riot, “Marty Supreme,” Paltrow is rounding out the year with a bang, earning her last laugh against gossip hounds and Goop critics.

From Salon

The madcap zeal that Madame Pernelle brings to the stage only intermittently returns to the production.

From The Wall Street Journal