different between certify vs guarantee

English

Etymology

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

Verb

certify (third-person singular simple present certifies, present participle certifying, simple past and past participle certified)

1. (transitive) To attest to (a fact) as the truth.
2. (transitive, law) 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.

4. (transitive, archaic) To inform; to tell (a person) that something is true.
   • 1847, The Church of England Magazine (volume 23, page 239)

     Our deeds do us three manners of service. First, they certify us that we are heirs of everlasting life, and that the Spirit of God, which is the earnest thereof, is in us.

5. (archaic, reflexive) To assure (oneself) of something; to ascertain.
   • 1751, Tobias Smollett, The Adventures of Peregrine Pickle, vol. III, ch. 80:

     After having certified himself of her own good health, he very kindly inquired about her mother and Miss Sophy […] .

Synonyms

• (to attest as to): attest, witness, vouch for, approve, confirm

Derived terms

Related terms

Translations

References

• certify at OneLook Dictionary Search
• certify in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

Anagrams

• cretify, rectify

English

Etymology

From Old French guarantie (perhaps via a later Spanish garante), from the verb guarantir (“to protect, assure, vouch for”), ultimately from Old Frankish *warjand, *warand (“a warrant”), or from guaranty. Doublet of guaranty and warranty.

Pronunciation

• (UK) IPA^(key): /??æ??n?ti?/

• (US) IPA^(key): /??????n?ti?/

Noun

guarantee (plural guarantees)

1. Anything that assures a certain outcome.

2. A legal assurance of something, e.g. a security for the fulfillment of an obligation.
3. More specifically, a written declaration that a certain product will be fit for a purpose and work correctly; a warranty

4. The person to whom a guarantee is made.
5. (colloquial) A person who gives such a guarantee; a guarantor.

   • But God who is the great Guarantee for the Peace , Order , and good behaviour of Mankind

Translations

Verb

guarantee (third-person singular simple present guarantees, present participle guaranteeing, simple past and past participle guaranteed)

1. To give an assurance that something will be done right.
2. To assume or take responsibility for a debt or other obligation.
3. To make something certain.

   The long sunny days guarantee a good crop.

Synonyms

• assure
• warrant

Translations

Related terms

• guaranty
• guarantor