DOTTIEST

DOTTY

crazy, wild, dotty, gaga

(adjective) intensely enthusiastic about or preoccupied with; “crazy about cars and racing”; “they are dotty about each other”; “gaga over the rock group’s new album”

balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky

(adjective) informal or slang terms for mentally irregular; “it used to drive my husband balmy”

Source: WordNet® 3.1

Adjective

dottiest

superlative form of dotty: most dotty

Source: Wiktionary

DOTTY

Dot"ty, a. [From 2d Dot.]

1. Composed of, or characterized by, dots.

2. [Perh. a different word; cf. Totty.] Unsteady in gait; hence, feeble; half-witted. [Eng.]

Source: Webster’s Unabridged Dictionary 1913 Edition