Certified | Mean of certified in English Dictionary

/ˈsɚtəˌfaɪd/

• having met the official requirements that are needed to do a particular type of work
1. a certified instructor
2. You must be certified in order to practice medicine.
3. The carpentry work must be done by someone who is certified for the job.
4. nationally certified [=(Brit) certificated] teachers
5. a board-certified doctor [=a doctor whose qualifications have been approved by an official group]
• officially approved as having met a standard
1. The food/restaurant is certified kosher.
2. certified organic vegetables
• real or genuine
1. a certified celebrity
2. Her boyfriend's a certified weirdo.