certifiably
/ˈsɜːrtɪfaɪəbli/
adverb
- In a way that can be officially confirmed or certified.
- The product is certifiably safe for children.
- He is certifiably the fastest runner in the school.
- The diamond was certifiably genuine according to the report.
- In an extremely crazy or irrational manner (informal, often humorous).
- He acts certifiably when he talks about his conspiracy theories.
- That idea is certifiably insane.
- She is certifiably obsessed with organizing her books by color.
Synonyms