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

The city of Denver, for instance, which collects compost from homes and smaller apartment dwellings, doesn’t take tea bags, coffee filters or certified compostable products such as takeout containers or cups. —Miguel Otárola, Denver Post, 4 Jan. 2026

The percentage of certified teachers also went up at all schools. —Keri Heath, Austin American Statesman, 4 Jan. 2026

Cova Tree recommends scheduling a tree wellness walk-through with a certified arborist who can help identify the most at-risk trees. —Olivia Young, CBS News, 3 Jan. 2026

Hughes is a certified personal trainer with a masters in holistic nutrition and about 20 years of experience helping clients get strong with weights. —Deborah Vankin, Los Angeles Times, 1 Jan. 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
• butoxide
• calcified
• ceramide
• citywide