Dictionnaires en ligne gratuits: Anglais, Espagnol, Français, Italien, Chinois, Allemand, Russe traductions, définitions, synonymes...
dotty  (dottier comparative) (dottiest superlative )If you say that someone is dotty, you mean that they are slightly mad or likely to do strange things. 
 (mainly BRIT) 
INFORMAL  adj 
She was obviously going a bit dotty.