Origin of brainstorm

1890–95; brain + storm; originally a severe mental disturbance

OTHER WORDS FROM brainstorm

brain·storm·er, noun

Example sentences from the Web for brainstorm

British Dictionary definitions for brainstorm

brainstorm
/ (ˈbreɪnˌstɔːm) /

noun

a severe outburst of excitement, often as the result of a transitory disturbance of cerebral activity
British informal a sudden mental aberration
informal another word for brainwave