DOTTY

adj. (dottier, dottiest) colloq.

1. feeble-minded, silly.

2 eccentric.

3 absurd.

4 (foll. by about, on) infatuated with; obsessed by.

Derivatives:

dottily adv. dottiness n.

Etymology: earlier unsteady: f. DOT(1) + -Y(1)