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 of certified

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

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

Remember to wear certified eclipse glasses or use a handheld solar viewer to protect your vision any time the sun’s light is on display before, during or after the eclipse, and follow these safety tips to protect your vision. — Ashley Strickland, CNN Money, 12 Aug. 2026

Thirty minutes from the Woburn research lab, Black Earth Compost accepts certified compostable materials. — ABC News, 10 Aug. 2026

In August 2025, WJZ reported that a Maryland Office of the Inspector General for Education investigation found two classes at a Howard County special education school were not being taught by a certified teacher. — Kellye Lynn, CBS News, 10 Aug. 2026

Melissa Leach, a certified yoga instructor and strength and conditioning coach in Philadelphia, said a strong core provides a foundation for both exercise and everyday movement. — Angelica Stabile, FOXNews.com, 9 Aug. 2026

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
• bisulphide
• butoxide
• calcified
• ceramide