Definitions

proven

ADJECTIVE

approved

Synonyms

STRONGEST

accepted allowed authorized backed endorsed passed permitted ratified recognized sanctioned supported

STRONG

affirmed chosen legalized validated

WEAK

OK'd certain made official vouched for

Antonyms

WEAK

disapproved refused uncertain

ADJECTIVE

authoritative

Synonyms

STRONGEST

accurate authentic definitive dependable factual reliable scholarly trustworthy truthful

WEAK

attested authenticated circumstantiated confirmed documented faithful learned legit righteous sound straight from horse's mouth supported validated verified veritable

Antonyms

STRONGEST

dishonest false inaccurate irresponsible undependable unreliable untrustworthy untruthful

ADJECTIVE

irrefutable

Synonyms

STRONGEST

indisputable ironclad unassailable undeniable

WEAK

accurate apodictic can bet on it certain double-checked evident final inarguable incontestable incontrovertible indubitable invincible irrebuttable irrefragable irresistible nof ifs ands or buts obvious odds-on positive set sure unanswerable unimpeachable unquestionable

Antonyms

STRONGEST

disputable indefinite

WEAK

doubtful dubious questionable refutable uncertain

ADJECTIVE

proved

Synonyms

STRONGEST

demonstrated settled tested verified

STRONG

established

ADJECTIVE

sound

Synonyms

STRONGEST

dependable fair legal proper reliable safe solid stable valid

STRONG

faithful fly go kosher received recognized sanctioned secure solvent true washing

WEAK

all there authoritative canonical hanging together holding together holding up holding up in wash holding water legit loyal orthodox reputable significant standing up tried-and-true

Antonyms

STRONGEST

irresponsible unacceptable undependable unreliable untrustworthy vulnerable wrong

STRONG

dishonest disloyal false uncertain

WEAK

distrusted illogical incomplete infirm refused rejected unbelievable unfathomable unfit unhealthy unreasonable unsound

ADJECTIVE

tried-and-true/tried and true

Synonyms

STRONGEST

proved time-tested

STRONG

dependable reliable trustworthy

WEAK

approved certified come-through creditworthy demonstrable loyal reputable safe tested tested and proved tried trusty

ADJECTIVE

undoubted

Synonyms

WEAK

accepted assured authentic certain doubtless indisputable indubitable irrefutable obvious positive sure unchallenged undeniable unquestionable unquestioned

Antonyms

WEAK

disputed doubtful questionable refuted unclear unsure

ADJECTIVE

valid

Synonyms

STRONGEST

accurate authentic binding compelling conclusive credible good lawful legal legitimate logical original persuasive solid true well-founded

WEAK

attested authoritative bona fide cogent confirmed convincing determinative efficacious efficient good-faith in force irrefutable just kosher legit official potent powerful pure sound stringent strong substantial telling tested trustworthy ultimate unadulterated unanswerable uncorrupted weighty well-grounded

Antonyms

STRONGEST

counterfeit evil fake false illegal illegitimate illicit improbable invalid unlawful unlikely unreal unreliable untrustworthy wrong

WEAK

unacceptable unsound

ADJECTIVE

well-founded

Synonyms

WEAK

based on hard data based on hard facts factual rock solid solid substantiated

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.

They said the licences are internationally proven to "help save lives and cut serious injuries".

From BBC • May 25, 2026

The findings do not mean beetroot juice is a replacement for medication or other proven ways to manage blood pressure.

From Science Daily • May 25, 2026

However, they emphasized that no direct clinical cause-and-effect relationship has been proven.

From Science Daily • May 23, 2026

Talk of an imminent deal has proven false on several occasions, sending oil prices back up, Ritterbusch & Associates says in a note.

From The Wall Street Journal • May 22, 2026

“It has been millennia since I fought at the side of a demigod, but Hazel Levesque has proven herself worthy. What do you say, Clytius? Shall we play with fire?”

From "The House of Hades" by Rick Riordan

proven

Example Sentences

Related Words