Found 2 items, similar to Harebrained.
English → English (WordNet) Definition: harebrained harebrained adj : very foolish; “harebrained ideas”; “took insane risks behind the wheel”; “a completely mad scheme to build a bridge between two mountains” [syn: insane, mad]
English → English (gcide) Definition: Harebrained Harebrained \Hare"brained`\ (h[^a]r"br[=a]nd`), a. Wild; giddy; volatile; heedless. “A mad hare-brained fellow.” --North (Plutarch). [Written also hairbrained.] [1913 Webster]