certifiably

[sur-tuh-fahy-uhb-lee]

adverb

1. in a way that meets official or certifiable standards.

2. Informal.,  in a way or to a degree that suggests insanity or irrationality.

Example Sentences

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

From Salon

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

From Washington Times

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.

From Salon

I think the first thing, my instinct, was: I have to meet these two guys and pray to God they’re not certifiably insane.

From Los Angeles Times

Aside from gaining note by offering us a certifiably freezing morning, Friday seemed to offer a vivid representation of the look and feel of November.

From Washington Post