certified

adjective

cer·​ti·​fied ˈsər-tə-ˌfīd 

1

: having earned certification

a certified gemologist

2

: genuine, authentic

a certified big shot

certified intellectuals

Synonyms

• authentic
• genuine
• honest
• true
• real
• certifiable
• original

Examples of certified in a Sentence

You must be certified in order to practice medicine.

The carpentry work must be done by someone who is certified for the job.

The food is certified kosher.

Her boyfriend's a certified weirdo.

Recent Examples on the Web

For those uninitiated, the Alien film franchise (starting with 1979’s Alien) centers on humans trying to survive an encounter with a fearsome alien species that is a certified killing machine, with razor-sharp teeth and acid for blood. —Dave Nemetz, TVLine, 6 Aug. 2025

About 68 agencies in the state are seeking certified officers, PoliceApp indicates. —Justin Muszynski, Hartford Courant, 4 Aug. 2025

The chance to stargaze from the comfort of your bed, especially in a certified dark site, is truly an unparalleled experience. —Kate Van Dyke, Travel + Leisure, 25 July 2025

For the best results, and to stay injury-free, team up with a certified fitness professional. —Fred Sassani, Austin American Statesman, 24 July 2025

Word History

First Known Use

1611, in the meaning defined at sense 1

Phrases Containing certified

• board-certified
• certified check
• certified mail
• certified milk
• certified organic
• certified public accountant

Rhymes for certified

• actinide
• aldehyde
• alkoxide
• alongside
• amplified
• arsenide
• beautified
• biocide
• butoxide
• calcified
• ceramide
• citywide