adjective
definition
Mildly insane or eccentric; often, senile.
example
My nan has got dottier and dottier since passing the age of eighty.
definition
Having an unsteady gait.
Examples of dotty in a Sentence
Remember if the object is not dotty, you cannot shape tween it.
It's quite enough to drive me potty, You could say, the girls gone dotty.
Rita Wright, a traffic warden who likes everything to be organized and here slightly dotty friend Angie Mason.
The history of science is littered with mad, bad and delightfully dotty inventions.
After 40 years of doing this rather dotty activity I have to ask myself why it is still so darned attractive.
By Paris Stamp, Exmouth Polo the dalmation is totally dotty!
This is because Body Stress Release (BSR ), the treatment for which I am waiting, seems plain dotty.