playful in an aimless way: the ludic behavior of kittens.
Ludicrous vs. Ridiculous
Ludicrous means something is silly enough to cause amusement. Ridiculous means it’s absurd enough to invite mockery or derision.
Origin of ludic
1935–40; < Latin lūd- (stem of lūdere to play) + -ic, perhaps via French ludique, learned formation from same components
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin for ludic
C20: from French ludique, from Latin lūdus game
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
"spontaneously playful," 1940, from French ludique, from Latin ludere "to play" (see ludicrous).
Online Etymology Dictionary, © 2010 Douglas Harper