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)

accepted	Generally believed or recognized to be valid or correct. Several accepted techniques for treating the condition.
acknowledged	Admitted or accepted as true, valid, or legitimate. He s an acknowledged expert in the field.
assured	Marked by assurance; exhibiting confidence. An extremely assured performance.
assured of doing something	Marked by assurance; exhibiting confidence.
bound	Headed or intending to head in a certain direction often used as a combining form as in college bound students. Leather bound volumes.
clear	Clear 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.
confident	Persuaded of; very sure. This time they re confident of a happy ending.
confirmed	Having been established or made firm or received the rite of confirmation. A confirmed teetotaller.
convinced	Completely certain about something. Were convinced that it would be to their advantage to join.
defined	Clearly characterized or delimited. Hills defined against the evening sky.
definite	Clear or undeniable (used for emphasis. Definite restrictions on the sale of alcohol.
dependable	Trustworthy and reliable. The most valuable and dependable of America s allies.
destined	Headed 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.
determined	Having been learned or found or determined especially by investigation. Date and place are already determined.
easy in one's mind	Free from worry or anxiety.
effective	Able 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.
especial	Better or greater than usual; special. These traditions are of especial interest to feminists.
established	Brought about or set up or accepted especially long established. An established precedent.
evident	Clearly 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.
explicit	Of a person stating something in an explicit manner. Explicit instructions.
express	Without unnecessary stops. An express train.
fated	(usually followed by `to’) determined by tragic fate. Fated to be the scene of Kennedy s assassination.
fixed	Of a number having a fixed and unchanging value. Loans are provided for a fixed period.
foolproof	Incapable of going wrong or being misused. A foolproof security system.
guaranteed	For which a guarantee is provided; formally assured. The guaranteed bonus is not very high.
in no doubt	Currently fashionable.
incontestable	Incapable of being contested or disputed.
incontrovertible	Impossible to deny or disprove. Incontrovertible proof of the defendant s innocence.
indisputable	Not open to question; obviously true. Indisputable evidence of a witness.
individual	Separate and distinct from others of the same kind. The individual needs of the children.
indubitable	Too obvious to be doubted. An indubitable truth.
inevitable	Certain to happen; unavoidable. War was inevitable.
infallible	(in the Roman Catholic Church) credited with papal infallibility. An infallible antidote.
irrefutable	Impossible to deny or disprove. An irrefutable argument.
manifest	Clearly revealed to the mind or the senses or judgment. Her manifest charm and proven ability.
not in doubt	Holding office.
not in question	Holding office.
obvious	Easily perceived or understood; clear, self-evident, or apparent. It was obvious a storm was coming in.
palpable	So intense as to be almost touched or felt. To talk of dawn raids in the circumstances is palpable nonsense.
particular	Surpassing what is common or usual or expected. A matter of particular and unusual importance.
patent	Made 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.
positive	Having a positive charge. A plus or positive factor.
precise	Marked by exactness and accuracy of expression or detail. Specified a precise amount.
predestined	Established or prearranged unalterably. It seemed predestined since the beginning of the world.
recognized	Generally approved or compelling recognition. A recognized authority.
reliable	Worthy of being depended on. Reliable information.
satisfied	Allayed. She was very satisfied with the results.
sealed	Undisclosed for the time being. My lips are sealed.
secure in one's belief	Immune to attack; incapable of being tampered with.
sound	Free from moral defect. A sound foundation.
special	Used to denote education for children with particular needs especially those with learning difficulties. The special features of a computer.
specific	Belonging or relating uniquely to a particular subject. Needed a specific amount.
sure	Having or feeling no doubt or uncertainty confident and assured. A sure hand on the throttle.
tested	Tested 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.
trusted	Worthy of trust or confidence. A sure or trusted friend.
trustworthy	Taking responsibility for one’s conduct and obligations. An experienced and trustworthy traveling companion.
unchallenged	Generally agreed upon; not subject to dispute. The report s findings did not go unchallenged.
uncontested	Not contested. These claims have not gone uncontested.
undeniable	Not possible to deny. It is an undeniable fact that some dogs are easier to train than others.
undisputed	Not disputed or called in question; accepted. The undisputed fact.
undoubted	Not questioned or doubted by anyone. Her undoubted ability.
unequivocal	Clearly defined or formulated. Took an unequivocal position.
unerring	Not liable to error-G.G.Coulton. An unerring sense of direction.
unfailing	Unceasing. An unfailing source of good stories.
unmistakable	Clearly revealed to the mind or the senses or judgment. The unmistakable sound of his laughter.
unquestionable	Not counterfeit or copied. An unquestionable antique.
unquestioned	Generally agreed upon; not subject to dispute. An unquestioned assumption.
unshaken in one's belief	Unshaken in purpose.
very likely	Being 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)

absolute	Not qualified or diminished in any way; total. The decree of nullity was made absolute.
assurance	A statement intended to inspire confidence. The President s assurances were not respected.
assured	Marked by assurance; exhibiting confidence. We can never have completely assured lives.
certitude	Something that someone firmly believes is true. The question may never be answered with certitude.
confident	Persuaded of; very sure. Was confident he would win.
convince	Make (someone) agree, understand, or realize the truth or validity of something. Robert s expression had obviously convinced her of his innocence.
convinced	Completely certain about something. She was not entirely convinced of the soundness of his motives.
corroborative	Serving to support or corroborate.
decided	Recognizable; 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.
dependable	Financially safe. A dependable worker.
destined	Governed by fate. The shipment of illegal drugs destined for American and European markets.
determinate	Supplying or being a final or conclusive settlement. Determinate growth.
foolproof	Proof against human misuse or error. A foolproof security system.
inalienable	Incapable of being repudiated or transferred to another. The shareholders have the inalienable right to dismiss directors.
incontestable	Not open to question; obviously true.
indisputable	Unable to be challenged or denied. Indisputable or sure proof.
indubitably	In a manner or to a degree that could not be doubted. Indubitably liberalism parades under many guises.
inevitable	An unavoidable event. The inevitable changes of the seasons.
panache	Distinctive and stylish elegance. He entertained London society with great panache.
proven	Established beyond doubt. A proven ability to work hard.
reliable	A reliable person or thing. The supporting cast includes old reliables like Mitchell.
sure	Having or feeling no doubt or uncertainty confident and assured. Was sure or certain she had seen it.
swagger	A proud stiff pompous gait. He swaggered along the corridor.
tested	Tested and proved useful or correct. A tested method.
unalienable	Incapable of being repudiated or transferred to another. Endowed by their Creator with certain unalienable rights.
unequivocal	Clearly defined or formulated. An unequivocal success.
unmistakable	Clearly revealed to the mind or the senses or judgment. His opposition to slavery was unmistakable.
unquestionably	Without question and beyond doubt. The awards were unquestionably deserved.
verified	Proved to be true. A verified claim.