certifiable

adjective

cer·​ti·​fi·​able ˈsər-tə-ˌfī-ə-bəl 

ˌsər-tə-ˈfī-

1

a

: capable of being certified

certifiable teachers

b

chiefly US : genuine, authentic

a certifiable liar/genius

2

dated, informal + disparaging : marked by thought or action that lacks reason

downright certifiable behavior

Anyone and everyone who says they can't live without a telephone (and that includes me) is clearly certifiable.

—Camilla Sorsbie

certifiably

ˈsər-tə-ˌfī-ə-blē 

ˌsər-tə-ˈfī-

adverb

Synonyms

• authentic
• bona fide
• certified
• dinkum [Australian & New Zealand]
• echt
• genuine
• honest
• pukka
• pucka
• real
• right
• sure-enough
• true

Examples of certifiable in a Sentence

Anyone who would run in front of a car like that is certifiable.

We called in a certifiable expert on legal issues.

A handful of cinema's certifiable masterpieces are in need of restoration.

Recent Examples on the Web

And behind 2023’s first certifiable film hit is one of the most exciting voices in horror: screenwriter Akela Cooper. —Michelle Ruiz, Vogue, 18 Jan. 2023

The Corvette was a certifiable hit by the end of 1962. —Bryan Hood, Robb Report, 27 Dec. 2022

Alternatively, On’s ultra-light Cloudswift running shoe will be a certifiable treat for your feet on travel days, taking you from the jet bridge to an eight-hour walking tour with zero stress. —Paul Jebara, Condé Nast Traveler, 20 July 2022

The Ferrari Purosangue may be controversial, but it’s also already a certifiable hit. —Bryan Hood, Robb Report, 29 Nov. 2022

Word History

First Known Use

1688, in the meaning defined at sense 1a