I. ˈdäd.]ē, -ät], ]i\ adjective
( -er/-est )
Etymology: dot (I) + -y
: composed of or characterized by dots
II. adjective
( -er/-est )
Etymology: alteration of dottle (II)
1. : unsteady in gait
2. : obsessed or infatuated with
if your friend is so dotty about Judith, he'd better ask her to marry him — Edith Wharton
3. : slightly unbalanced mentally : touched in the head : feebleminded , eccentric
her deliciously dotty Aunt Elinor, at the moment incarcerated in an expensive sanitarium — Florence Bullock
4. : absurd , ridiculous