1. Affected with madness or insanity
   - crazy, demented, disturbed, mad, sick, unbalanced, unhinged

See also: insane

Encyclopedia: Brainsick

• American oriole
• American parasol
• American parsley fern
• American Party
• American pasqueflower
• American pennyroyal
• American persimmon
• American pit bull terrier
• American plaice
• American plan
• American plane
• American pulsatilla
• American quaking aspen
• American raspberry
• American rattlebox
• American red elder
• American red plum
• American red squirrel
• American redstart
• American Revised Version
• American Revolution
• American Revolutionary leader
• American Revolutionary War
• American robin
• American rock brake