brainful

== English == === Etymology 1 === From brain +‎ -ful. ==== Noun ==== brainful (plural brainfuls) As much as one person can think about or hold in mind at one time. === Etymology 2 === From brain +‎ -ful. ==== Adjective ==== brainful (comparative more brainful, superlative most brainful) Characterized by brain activity; cerebral.