crackbrained การใช้

It's cruel to call a mental patient a nut, but it's crackbrained to try to ban words like nuttiness from everyday discourse.
Regretfully Marius at last emerged as " the crackbrained chief of a reckless band of robbers " which earned him " the hatred of the entire nation ".
Instead, embrace the " upbeat negative " : attacking the other guy's cheap, weaselly, crackbrained ideas is a necessary counterpoint to presenting your own.
Modesto police detectives didn't follow up on reports of Laci Peterson sightings, ignored possible suspects in the missing-person investigation and had crackbrained theories about the case that never panned out, according to attorneys representing Scott Peterson.
That reflects general usage; to be nutty is to be mildly crackbrained and is often used in self-description of too-earnest advocacy : I readily call myself a " privacy nut, " but would not flagellate myself as a " privacy freak ."