Dictionary.com
Thesaurus.com

certifiably

American  
[sur-tuh-fahy-uhb-lee] / ˌsɜr təˈfaɪ əb li /

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The room, with its cracks and peeling paint in sharp focus, is more certifiably there than the vague, transient human figure.

From The Wall Street Journal Feb. 21, 2026

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

From Salon Dec. 25, 2023

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

From Washington Times Dec. 3, 2023

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 Feb. 7, 2023

“Jane, I fear we have landed ourselves in a certifiably terrible place.”

From "Dread Nation" by Justina Ireland

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training