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Showing results for without foundation. Search instead for mathematics foundation.

without foundation

ADJECTIVE
illogical
Synonyms
STRONGEST
absurd false groundless implausible inconsistent incorrect irrational irrelevant preposterous senseless unreasonable unscientific untenable
WEAK
casuistic cockeyed fallacious fatuous faulty hollow inconclusive incongruous inconsequent invalid mad meaningless not following nutty off the wall screwy self-contradictory sophistic sophistical specious spurious unconnected unproved unsound unsubstantial wacky without basis
Antonyms
STRONGEST
correct logical rational reasonable right sensible true wise
WEAK
meaningful
ADJECTIVE
nonexistent
Synonyms
STRONGEST
absent negative tenuous vacant
WEAK
airy baseless blank chimerical dead defunct departed dreamlike dreamy empty ethereal extinct extinguished fancied few and far between flimsy gone gossamery groundless hallucinatory hypothetical illusory imaginary imagined immaterial imponderable insubstantial legendary lost missing mythical null null and void passed away passed on perished shadowy ungrounded unreal unsubstantial vague vaporous void
Antonyms
WEAK
actual existent existing real true
ADJECTIVE
unfounded
Synonyms
STRONGEST
baseless deceptive fabricated false gratuitous groundless illogical misleading spurious unjustified unproven unsubstantiated untrue untruthful unwarranted
WEAK
fallacious foundationless idle mendacious off-base trumped-up uncalled-for unreal vain without basis
Antonyms
STRONGEST
called-for correct genuine honest justified real reasonable right true truthful warranted
WEAK
founded proven substantiated supported

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.

Reform UK insist the allegations are "entirely without foundation".

From BBC • Nov. 21, 2025

"These allegations are entirely without foundation," a spokesman for Farage's party, Reform UK, said in a statement sent to AFP.

From Barron's • Nov. 19, 2025

The company is adamant these kinds of concerns are without foundation.

From BBC • Nov. 2, 2024

The fear of being misunderstood or even mistreated by the medical establishment is not without foundation.

From Seattle Times • May 23, 2023

They are full of little cowardices, little fears without foundation, and one is so easily bruised, so swiftly wounded, one falls to the first barbed word.

From "Rebecca" by Daphne du Maurier