MEANING
To state officially that something meets a requirement or that information is correct.
Use it for
Words that belong together
- certify compliance
- certify a copy
On the page
An independent laboratory certified the equipment's safety.
Nearby words
Word forms
- Base
- certify
- Past tense
- certified
- Past participle
- certified
- Present participle
- certifying
Full tense & aspect guide
- Present
- certify
- Present continuous
- am/is/are certifying
- Present perfect
- have/has certified
- Present perfect continuous
- have/has been certifying
- Past
- certified
- Past continuous
- was/were certifying
- Past perfect
- had certified
- Past perfect continuous
- had been certifying
- Future
- will certify
- Future continuous
- will be certifying
- Future perfect
- will have certified
- Future perfect continuous
- will have been certifying
Choose the auxiliary that agrees with your subject. These are constructions of one word, not separate entries.
Usage notes
Primary category: academic / formal. Forms: certify; certifies; certified; certified; certifying Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: claim, evidence, interpretation. Commonness: moderately common. Third-person singular: certifies.
Practice this word in a sentenceYour margin notes
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