certifiable

If the definition of insanity is doing the same thing over and over again and expecting different results, then Dave Roberts is clearly certifiable.

As a certifiably hangry type, I know that my outlook on life gets bleaker when my blood sugar dips.

We’re living in an age in which many people are certifiably insane, or at least in denial.

Christmas curmudgeon Walter is not on board, believing his son is a “certifiably insane” man living under the deranged delusion that he is an elf.

Perhaps most significant, something else has changed since Trump first browbeat his way to the White House and into the hearts of Republicans: He’s now a certifiable, repeat loser.