CERTAIN: Synonyms and Related Words. What is Another Word for CERTAIN?

Need another word that means the same as “certain”? Find 74 synonyms and 30 related words for “certain” in this overview.

The synonyms of “Certain” are: sure, sealed, unquestionable, definite, not in question, not in doubt, unequivocal, indubitable, undeniable, irrefutable, indisputable, incontrovertible, incontestable, obvious, patent, manifest, evident, plain, clear, transparent, palpable, unmistakable, conclusive, recognized, confirmed, accepted, acknowledged, undisputed, undoubted, unquestioned, unchallenged, uncontested, very likely, bound, destined, predestined, fated, trusted, assured of doing something, inevitable, assured, reliable, dependable, trustworthy, sound, foolproof, tested, effective, efficacious, guaranteed, unfailing, infallible, unerring, confident, positive, convinced, in no doubt, unshaken in one's belief, secure in one's belief, easy in one's mind, satisfied, determined, fixed, established, precise, defined, exact, explicit, express, particular, specific, individual, special, especial

Certain as an Adjective

Definitions of "Certain" as an adjective

According to the Oxford Dictionary of English, “certain” as an adjective can have the following definitions:

  • Having or feeling no doubt or uncertainty; confident and assured.
  • Having or showing complete conviction about something.
  • Established beyond doubt or question; definitely known.
  • Established irrevocably.
  • Exercising or taking care great enough to bring assurance.
  • Used when mentioning the name of someone not known to the reader or hearer.
  • Certain to occur; destined or inevitable.
  • Reliable in operation or effect.
  • Certain to occur; destined or inevitable- Benjamin Franklin.
  • Able to be firmly relied on to happen or be the case.
  • Definite but not specified or identified.
  • Specific but not explicitly named or stated.

Synonyms of "Certain" as an adjective (74 Words)

acceptedGenerally believed or recognized to be valid or correct.
Several accepted techniques for treating the condition.
acknowledgedAdmitted or accepted as true, valid, or legitimate.
He s an acknowledged expert in the field.
assuredMarked by assurance; exhibiting confidence.
An extremely assured performance.
assured of doing somethingMarked by assurance; exhibiting confidence.
boundHeaded or intending to head in a certain direction often used as a combining form as in college bound students.
Leather bound volumes.
clearClear and distinct to the senses easily perceptible.
Her handwriting was clear.
conclusive(of a victory) achieved easily or by a large margin.
The findings were by no means conclusive.
confidentPersuaded of; very sure.
This time they re confident of a happy ending.
confirmedHaving been established or made firm or received the rite of confirmation.
A confirmed teetotaller.
convincedCompletely certain about something.
Were convinced that it would be to their advantage to join.
definedClearly characterized or delimited.
Hills defined against the evening sky.
definiteClear or undeniable (used for emphasis.
Definite restrictions on the sale of alcohol.
dependableTrustworthy and reliable.
The most valuable and dependable of America s allies.
destinedHeaded or intending to head in a certain direction; often used as a combining form as in `college-bound students.
The Act seems destined to failure.
determinedHaving been learned or found or determined especially by investigation.
Date and place are already determined.
easy in one's mindFree from worry or anxiety.
effectiveAble to accomplish a purpose functioning effectively.
An effective price of 176 million.
efficacious(of something inanimate or abstract) successful in producing a desired or intended result; effective.
An efficacious law.
especialBetter or greater than usual; special.
These traditions are of especial interest to feminists.
establishedBrought about or set up or accepted especially long established.
An established precedent.
evidentClearly seen or understood; obvious.
A clearly evident erasure in the manuscript.
exact(of a person) accurate and careful about minor details.
She was an exact clever manager.
explicitOf a person stating something in an explicit manner.
Explicit instructions.
expressWithout unnecessary stops.
An express train.
fated(usually followed by `to’) determined by tragic fate.
Fated to be the scene of Kennedy s assassination.
fixedOf a number having a fixed and unchanging value.
Loans are provided for a fixed period.
foolproofIncapable of going wrong or being misused.
A foolproof security system.
guaranteedFor which a guarantee is provided; formally assured.
The guaranteed bonus is not very high.
in no doubtCurrently fashionable.
incontestableIncapable of being contested or disputed.
incontrovertibleImpossible to deny or disprove.
Incontrovertible proof of the defendant s innocence.
indisputableNot open to question; obviously true.
Indisputable evidence of a witness.
individualSeparate and distinct from others of the same kind.
The individual needs of the children.
indubitableToo obvious to be doubted.
An indubitable truth.
inevitableCertain to happen; unavoidable.
War was inevitable.
infallible(in the Roman Catholic Church) credited with papal infallibility.
An infallible antidote.
irrefutableImpossible to deny or disprove.
An irrefutable argument.
manifestClearly revealed to the mind or the senses or judgment.
Her manifest charm and proven ability.
not in doubtHolding office.
not in questionHolding office.
obviousEasily perceived or understood; clear, self-evident, or apparent.
It was obvious a storm was coming in.
palpableSo intense as to be almost touched or felt.
To talk of dawn raids in the circumstances is palpable nonsense.
particularSurpassing what is common or usual or expected.
A matter of particular and unusual importance.
patentMade and marketed under a patent proprietary.
The patient is usually left with a patent vessel.
plain(of written or spoken usage) clearly expressed, without the use of technical or abstruse terms.
Plain water.
positiveHaving a positive charge.
A plus or positive factor.
preciseMarked by exactness and accuracy of expression or detail.
Specified a precise amount.
predestinedEstablished or prearranged unalterably.
It seemed predestined since the beginning of the world.
recognizedGenerally approved or compelling recognition.
A recognized authority.
reliableWorthy of being depended on.
Reliable information.
She was very satisfied with the results.
sealedUndisclosed for the time being.
My lips are sealed.
secure in one's beliefImmune to attack; incapable of being tampered with.
soundFree from moral defect.
A sound foundation.
specialUsed to denote education for children with particular needs especially those with learning difficulties.
The special features of a computer.
specificBelonging or relating uniquely to a particular subject.
Needed a specific amount.
sureHaving or feeling no doubt or uncertainty confident and assured.
A sure hand on the throttle.
testedTested and proved useful or correct.
A tested method.
transparent(of a process or interface) functioning without the user being aware of its presence.
Transparent chiffon.
trustedWorthy of trust or confidence.
A sure or trusted friend.
trustworthyTaking responsibility for one’s conduct and obligations.
An experienced and trustworthy traveling companion.
unchallengedGenerally agreed upon; not subject to dispute.
The report s findings did not go unchallenged.
uncontestedNot contested.
These claims have not gone uncontested.
undeniableNot possible to deny.
It is an undeniable fact that some dogs are easier to train than others.
undisputedNot disputed or called in question; accepted.
The undisputed fact.
undoubtedNot questioned or doubted by anyone.
Her undoubted ability.
unequivocalClearly defined or formulated.
Took an unequivocal position.
unerringNot liable to error-G.G.Coulton.
An unerring sense of direction.
An unfailing source of good stories.
unmistakableClearly revealed to the mind or the senses or judgment.
The unmistakable sound of his laughter.
unquestionableNot counterfeit or copied.
An unquestionable antique.
unquestionedGenerally agreed upon; not subject to dispute.
An unquestioned assumption.
unshaken in one's beliefUnshaken in purpose.
very likelyBeing the exact same one; not any other.

Usage Examples of "Certain" as an adjective

  • A certain General Percy captured the town.
  • He raised certain personal problems with me.
  • Felt certain of success.
  • It is certain that they were on the bus.
  • Are you absolutely certain about this?
  • His fate is certain.
  • Be certain to disconnect the iron when you are through.
  • A certain popular teacher.
  • Was sure (or certain) she had seen it.
  • To a certain degree.
  • He was certain to fail.
  • A quick and certain remedy.
  • A certain Mrs. Jones.
  • In this life nothing is certain but death and taxes.
  • It's certain that more changes are in the offing.
  • Certain members have not paid their dues.
  • The date for the invasion is certain.
  • What is certain is that every effect must have a cause.
  • Certain breeds do not make good pets.
  • Set aside a certain sum each week.
  • The exercise was causing him a certain amount of pain.
  • He faced certain death.
  • She looks certain to win an Oscar.

Associations of "Certain" (30 Words)

absoluteNot qualified or diminished in any way; total.
The decree of nullity was made absolute.
assuranceA statement intended to inspire confidence.
The President s assurances were not respected.
assuredMarked by assurance; exhibiting confidence.
We can never have completely assured lives.
certitudeSomething that someone firmly believes is true.
The question may never be answered with certitude.
confidentPersuaded of; very sure.
Was confident he would win.
convinceMake (someone) agree, understand, or realize the truth or validity of something.
Robert s expression had obviously convinced her of his innocence.
convincedCompletely certain about something.
She was not entirely convinced of the soundness of his motives.
corroborativeServing to support or corroborate.
decidedRecognizable; marked.
You could never talk him round he was very decided.
definite(of a person) certain or sure about something.
We had no definite plans.
dependableFinancially safe.
A dependable worker.
destinedGoverned by fate.
The shipment of illegal drugs destined for American and European markets.
determinateSupplying or being a final or conclusive settlement.
Determinate growth.
foolproofProof against human misuse or error.
A foolproof security system.
inalienableIncapable of being repudiated or transferred to another.
The shareholders have the inalienable right to dismiss directors.
incontestableNot open to question; obviously true.
indisputableUnable to be challenged or denied.
Indisputable or sure proof.
indubitablyIn a manner or to a degree that could not be doubted.
Indubitably liberalism parades under many guises.
inevitableAn unavoidable event.
The inevitable changes of the seasons.
panacheDistinctive and stylish elegance.
He entertained London society with great panache.
provenEstablished beyond doubt.
A proven ability to work hard.
reliableA reliable person or thing.
The supporting cast includes old reliables like Mitchell.
sureHaving or feeling no doubt or uncertainty confident and assured.
Was sure or certain she had seen it.
swaggerA proud stiff pompous gait.
He swaggered along the corridor.
testedTested and proved useful or correct.
A tested method.
unalienableIncapable of being repudiated or transferred to another.
Endowed by their Creator with certain unalienable rights.
unequivocalClearly defined or formulated.
An unequivocal success.
unmistakableClearly revealed to the mind or the senses or judgment.
His opposition to slavery was unmistakable.
unquestionablyWithout question and beyond doubt.
The awards were unquestionably deserved.
verifiedProved to be true.
A verified claim.

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