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Not definite or based on fact - thesaurus

Synonyms

apparently

adverb

based only on what you have heard, not on what you are certain is true

supposed

adjective

believed or said by some people to be true, although you may not agree with this

alleged

adjective

claimed to be true, even though this has not been proved

doubtful

adjective

not certain or likely to happen or be true

seemingly

adverb

in a way that appears to have a particular quality, even though this is probably not true

allegedly

adverb

if someone allegedly does something, another person says that they have done it, even though this has not been proved

speculative

adjective

based on guesses or on a little information, not on facts

unfounded

adjective

not supported with facts or evidence

anecdotal

adjective

based on someone’s personal experience or information rather than on facts that can be checked

unsubstantiated

adjective

an unsubstantiated argument, claim etc is one for which you have no evidence

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More synonyms

apocryphal

adjective

probably not true, but believed by a lot of people to be true

baseless

adjective

formal not based on facts or evidence

betwixt and between

literary not definitely belonging to any of several possibilities

be without foundation

not based on fact and not possible to prove

debatable

adjective

something that is debatable is not certain because it is possible for people to have different opinions about it

deniable

adjective

if something is deniable, you can prove that it is not true

disputable

adjective

not accepted as true or correct by everyone

disputed

adjective

a disputed fact, statement, or judgment is one that many people argue about

equivocal

adjective

formal not clearly showing the real situation or providing a definite result

factitious

adjective

very formal artificial

fallacious

adjective

formal based on false information or ideas

false

adjective

not true

false

adjective

based on a mistake or on wrong information

far-fetched

adjective

difficult to believe because it is very unlikely

fictitious

adjective

not real or true and used for tricking people

fictive

adjective

formal imaginary or not true

groundless

adjective

not based on evidence or good reasons

ill-founded

adjective

formal not based on truth or facts

illogical

adjective

not based on clear facts, reasons, or principles

implausible

adjective

difficult to accept as true

impressionistic

adjective

based on reactions or opinions, rather than on specific facts or details

improbable

adjective

not likely to happen or to be true

inconclusive

adjective

not producing a definite result or complete proof of something

in dispute

if facts are in dispute, people disagree about them

in question

if something is in question, there are doubts about it

intuitive

adjective

based on your feelings rather than on facts or evidence

invalid

adjective

not based on facts, evidence, or good judgment

it’s a game of two halves

used for saying that a situation could end very differently from the way it seems to be developing now

lame

adjective

a lame excuse, explanation etc is difficult to believe because it seems so unlikely

misconceived

adjective

formal not based on good reasons or correct understanding

misguided

adjective

a misguided idea or action is based on judgments or opinions that are wrong

misleading

adjective

intended or likely to make someone believe something that is incorrect or not true

nonsensical

adjective

not true, or not sensible

on someone’s say-so

informal based on what someone says, but without any proof from them

open to debate

if something is open to debate, it is not certain or not yet decided because people have different opinions about it

open to dispute

if something is open to dispute, people disagree about it

open to doubt

not definite, and perhaps not even likely

ostensible

adjective

appearing to be true, or stated by someone to be true, but possibly false

outwardly

adverb

in appearance, or the way that something seems, but not always the way that it really is

presumptive

adjective

very formal believed to be true because it seems reasonable or likely

prima facie

adjective

formal based on what seems to be true, before a situation has been examined in detail

purported

adjective

formal said by some people to be real or true, but not proved to be real or true

putative

adjective

formal believed to be something

questionable

adjective

possibly not true, accurate, or complete

reputed

adjective

formal said or believed by many people, but not definitely known to be true

rumoured

adjective

reported but not definitely true

seeming

adjective

formal appearing to be a particular thing or to have a particular quality, even though this is probably not true

seemingly

adverb

according to what you know or how something appears

someone/something is believed to be

used for saying that it is the general opinion of most people that something is true although it has not been proved

specious

adjective

seeming to be true but in fact wrong

spurious

adjective

formal something such as a statement that is spurious is not reasonable or correct because it is not based on true facts or a sensible way of thinking

subjective

adjective

based on your own feelings and ideas and not on facts. Something that is based on facts is objective

supposedly

adverb

as some people believe or say, although you may not agree with this

surface

adjective

a surface quality seems to exist in someone or something, but in fact it hides deeper or more real feelings or conditions

tentative

adjective

not definite, or not certain

theoretical

adjective

based on ideas, and not real or important

transparent

adjective

a transparent lie or excuse is obviously not true

trumped-up

adjective

deliberately made up in order to connect someone with a crime

unclear

adjective

not obvious, definite, or easy to understand

unconfirmed

adjective

with no official proof or evidence to show that something is true

uncorroborated

adjective

not supported by evidence

unlikely

adjective

not likely to be true

unproven

adjective

not proved to be a fact or true

unreliable

adjective

unreliable information is not definitely true or accurate

unsafe

adjective

legalBritish not based on reliable evidence

unscientific

adjective

not considered, examined, or tested using methods that scientists think are necessary

unsupported

adjective

an unsupported argument, claim etc is one for which you have no evidence

untenable

adjective

impossible to defend as fair, suitable, or true

untrue

adjective

not correct, or not based on fact

untruthful

adjective

not honest or true

wishy-washy

adjective

informal not strong or definite

Antonyms

BuzzWord

gaslight

to manipulate someone psychologically so that they begin to question their own perceptions and memories

BuzzWord Article

Open Dictionary

Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

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