unsane

adjective3

1. •
   Not sane.
2. •
   Synonym of insane.

   • If only he didn’t feel so tired, so sick of everything, his father, this unsane country. — 2023
3. •
   In a state of maladaptive mental functioning that is not insane (that is, not mentally ill, or at least not clinically so) but is also not sane under a definition whereby sanity is highly adaptive cognition.