mad as a March hare

Definitions

Crazy, demented.

informal, not-comparable

Examples

“[S]he was with childe in hir huſbande his abſence, or that hir louer vſed hir fondly in open⟳ preſence, as the preſumption was not onely vehement, but alſo the fact too too apparent. Hir vnfortunat huſband had not ſooner notice⟳ gyuen him vpon his returne of theſe ſorowfull newes, then his fingers began to nibble, hys teeth to grinne, hys eyes to trickle, his eares to dindle, his heade to dezell, in ſomuch as his heart being ſkeared wyth ialouſie, & his wits enſtalde through Phrenſie, he became as madde, as a marche hare.”

CEFR level