[ dit-see ]
/ ˈdɪt si /
adjective, dit·si·er, dit·si·est. Slang.
flighty and easily confused; mildly or harmlessly eccentric.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for ditsy
Would she try to reinvent herself for a third time in her career—showing up the ditsy reputation she earned on Idol?
Ellen is certainly not likely to play the part of Cowell's ditsy, flummoxed sidekick.