certifiable

About 0.06 uses per million words.

Meaning

1. adjective That can or must be certified.
2. adjective Mentally ill to such an extent that involuntary institutionalization is appropriate; crazy.
3. noun A crazy person.

Similar words

insane certificated certificate delusional wack daffy lunatic mad crazy psycho

Often followed by

as by lunatic under and for nut genius in

Word family

certifiably