an impertinent, presumptuous person, especially a young man; whippersnapper.
an impudent, mischievous child.
Archaic. an ape or monkey.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use jackanapes in a sentence
That accomplished, I shall arrest the Dowager and her son and every jackanapes within that castle.St. Martin's Summer | Rafael Sabatini
You pestilent young jackanapes, do you suppose I haven't noticed your idleness?Sinister Street, vol. 1 | Compton Mackenzie
"Lest he take thee for one of his runaway jackanapes," answered the steward, smiling sourly.The Abbot | Sir Walter Scott
In another letter he writes about "a jackanapes who has lately made a noise here, one Boswell, by anecdotes of Dr. Johnson."
No, Mr. Harry Jocelyn, you are not the jackanapes you try to make people think you: you understand me.'Evan Harrington, Complete | George Meredith
British Dictionary definitions for jackanapes
a conceited impertinent person
a mischievous child
archaic a monkey
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