DOPEY
anserine, dopy, dopey, foolish, goosey, goosy, gooselike, jerky
(adjective) having or revealing stupidity; “ridiculous anserine behavior”; “a dopey answer”; “a dopey kid”; “some fool idea about rewriting authors’ books”
Source: WordNet® 3.1
Etymology
Adjective
dopey (comparative more dopey, superlative most dopey)
Stupid, silly.
Source: Wiktionary
Dop"ey, a.
Definition: Affected by "dope"; esp., sluggish or dull as though under the
influence of a narcotic. [Slang]
Source: Webster’s Unabridged Dictionary 1913 Edition