adjective, dot·ti·er, dot·ti·est. Informal.
Origin of dotty1
adjective, dot·ti·er, dot·ti·est.
Origin of dotty2
Examples from the Web for dotty
Gustav would later describe his ex-wife, quite accurately, as “dotty, romantic, and forever craving change.”World War II’s Most Glamorous Spy: Christine Granville|Emma Garman|July 7, 2013|DAILY BEAST
Abdul either provides heart or functions as the dotty aunt at the family picnic, depending on your point of view.
Dotty was impressed with the beauty of the picnic basket and the delicacy of the food.Dotty Dimple Out West|Sophie May
For a few days after this, Dotty Dimple had little time to think of her new resolution.Dotty Dimple At Home|Sophie May
It was so huge and so deep that Dotty's small face under it looked as if it had got lost in Mammoth Cave.Little Prudy's Dotty Dimple|Sophie May
The tea-kettle was soon singing on the stove, and Dotty forgot her peculiar trials when she saw the table covered with dainties.
Dotty had not actually told a wrong story, but for almost the first time she had deceived, and she knew the sin was the same.