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Definitions

certified

[sur-tuh-fahyd] / ˈsɜr təˌfaɪd /
ADJECTIVE
accredited
Synonyms
STRONGEST
authorized
WEAK
vouched for
ADJECTIVE
authorized
Synonyms
STRONGEST
accredited commissioned lawful legitimate licensed recognized sanctioned
STRONG
warranted
WEAK
legal licit official
Antonyms
STRONGEST
illegal illegitimate unlawful
WEAK
unofficial
ADJECTIVE
balanced
Synonyms
STRONG
confirmed validated
Antonyms
WEAK
disproportioned imbalanced unbalanced unequal unsymmetrical
ADJECTIVE
bonded
Synonyms
STRONGEST
secured
STRONG
insured pledged warranted
Antonyms
WEAK
free liberated uncertain
ADJECTIVE
certain
Synonyms
STRONGEST
definite sure
WEAK
assured bound concluded decided determined ensured established guaranteed insured set settled stated stipulated warranted
Antonyms
STRONGEST
indefinite uncertain
WEAK
doubtful dubious questionable unfixed unpredictable unreliable
ADJECTIVE
cleared
Synonyms
STRONGEST
accepted approved endorsed passed
STRONG
validated
WEAK
cashable
Antonyms
STRONGEST
disapproved
ADJECTIVE
graduated
Synonyms
STRONG
accredited invested ordained passed promoted
ADJECTIVE
guaranteed
Synonyms
STRONGEST
approved assured endorsed insured pledged protected secured surefire
STRONG
affirmed ascertained attested bonded confirmed plighted sealed warranted
WEAK
for a fact for sure have a lock on on ice sure sure-enough
Antonyms
STRONGEST
disapproved uncertain
WEAK
indefinite insecure unsure
ADJECTIVE
honest-to-goodness
Synonyms
WEAK
absolute accurate actual authentic authenticated bona fide certain factual for real genuine honest honest-to-God kosher legit legitimate no buts about it official on the level on the up and up positive real real stuff really truly straight sure-enough true unquestionable valid
ADJECTIVE
licensed
Synonyms
STRONGEST
accredited approved permitted
STRONG
allowed
Antonyms
STRONGEST
refused
ADJECTIVE
named
Synonyms
STRONGEST
appointed
STRONG
announced anointed approved assigned authorized called chosen commissioned consecrated declared delegated deputed drafted elected entrusted favored nominated opted ordained pegged picked preferred sanctioned selected supported vested
WEAK
decided upon settled on tabbed
ADJECTIVE
official
Synonyms
STRONGEST
authoritative conclusive definite fitting formal precise proper valid
STRONG
cathedral okay positive real true
WEAK
accredited approved authentic authenticated bona fide canonical ceremonious cleared correct customary decided decisive endorsed established ex cathedra ex officio legitimate licensed ordered orthodox recognized rightful sanctioned suitable
Antonyms
STRONGEST
imprecise improper incorrect indefinite inexact unacceptable unsuitable
STRONG
dishonest false invalid
WEAK
unauthorized unofficial unsanctioned
ADJECTIVE
qualified
Synonyms
STRONGEST
accomplished adequate capable competent disciplined efficient equipped experienced knowledgeable licensed proficient talented trained
STRONG
catechized examined fit fitted instructed practiced proved quizzed tested tried vet
WEAK
adept all around au fait expert good pro proper up to snuff up to speed veteran wicked
Antonyms
STRONGEST
ignorant impotent inadequate incapable incompetent inefficient inept inexperienced unable unskilled
STRONG
inappropriate incorrect unfit
WEAK
open unlimited unproficient unqualified unrestricted untalented
ADJECTIVE
recorded
Synonyms
STRONGEST
documented listed registered reported taped
STRONG
cataloged chronicled entered filed inscribed noted published
WEAK
in writing on file on record
ADJECTIVE
registered
Synonyms
STRONG
cataloged enrolled
ADJECTIVE
tested
Synonyms
STRONGEST
approved proved
WEAK
creditworthy dependable loyal reliable safe tried-and-true trustworthy trusty
ADJECTIVE
warranted
Synonyms
STRONG
allowed assured guaranteed justified sanctioned secured
WEAK
allowable
Antonyms
STRONG
uncertain
WEAK
unjustified unwarranted
ADJECTIVE
witnessed
Synonyms
STRONGEST
signed
STRONG
deposed notarized sealed warranted

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Although the adviser did not assess the changed market conditions between the origination and sales dates of the loans, the adviser certified that the affiliated fund was acquiring the loans at fair value.

From MarketWatch • Apr. 27, 2026

Today, just a few fully certified librarians remain in the Philadelphia school district, which includes about 117,000 students.

From Salon • Apr. 26, 2026

When she asked again, Warsh said, “Senator, I believe that this body certified that election many years ago.”

From Slate • Apr. 25, 2026

His 1977 album “Let It Flow” was certified platinum.

From Los Angeles Times • Apr. 22, 2026

The McCullough home had been rigorously checked and certified as lead free.

From "Little Fires Everywhere" by Celeste Ng

Vocabulary lists containing certified

Maya and the Robot

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