Meaning

5 senses
  1. (transitive)To attest to (a fact) as the truth.

  2. (transitive)To authenticate or verify in writing.

  3. (transitive)To attest that a product, service, organization, or person has met an official standard.

    These blankets have been certified as fireproof.

    zertifizieren

    удостоверя́тьudostoverjátʹ, удостове́ритьudostovéritʹ, заверя́тьzaverjátʹ

    сві́дчитиsvídčyty, засві́дчуватиzasvídčuvaty, засві́дчитиzasvídčyty

  4. (archaic, transitive)To inform; to tell (a person) that something is true.

  5. (archaic, reflexive)To assure (oneself) of something; to ascertain.

More definitions
  • declare legally insane
  • guarantee payment on; of checks
  • guarantee as meeting a certain standard
  • provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes

Examples

34 sentences
  1. You're a certified pilot, aren't you?

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  2. Tom is a certified public accountant.

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  3. Are you certified?

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  4. He was a certified history teacher.

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  5. What's the difference between regular mail and certified mail?

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Translations

8 languages
Українська
By meaning 2
to attest as to:
to attest that a product, service, organization, or person has met an official standard:
Русский
By meaning 2
to attest as to:
to attest that a product, service, organization, or person has met an official standard:
Deutsch
By meaning 1
to attest as to:

Origin

From Old French certefier (“confirm, assure, make certain”). Compare French certifier.

From Old French certefier (“confirm, assure, make certain”). Compare French certifier.

Wiktionary, CC BY-SA 4.0 · source

Forms

certifies, certifying, certified, certified
Base formcertify · to certify
3rd person singularcertifies
Present participlecertifying
Past simplecertified
Past participlecertified

regular · Lesson

Present simpleLesson

I, you, we, theycertify
he, she, itcertifies

Past simpleLesson

all personscertified

Present perfectLesson

I, you, we, theyhave certified
he, she, ithas certified

Future simple (will)Lesson

all personswill certify

Synonyms

12 synonyms
Close in meaning

Antonyms

1 antonyms

Word family

12 related words

See also

neighbours in the dictionary
certify — meaning, examples, forms, synonyms | Krumeto