Definitions for imbecilicˌɪm bəˈsɪl ɪk
Random House Webster's College Dictionary
im•be•cil•icˌɪm bəˈsɪl ɪk(adj.)
contemptibly stupid or silly.
Origin of imbecilic:
imbecile, imbecilic, idiotic(adj)
having a mental age of three to seven years
like or as an imbecile; so senseless as to be laughable; absurd, foolish, harebrained, idiotic.