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unfounded
adjective
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How to pronounce unfounded:

Definition of unfounded:

unfounded (adjective):
without a basis in reason or fact.
lacking a sound basis groundless, unwarranted
(of ideas, fears, or allegations) not based on facts or evidence

Synonyms for unfounded:

absurd
baseless
fabricated
false
groundless
idle
illogical
invalid
irrational
misleading
spurious
trumped up
unjustified
unnecessary
unproven
unreasonable
unreasoned
unsubstantiated
unsupported
unwarranted
wild
without basis
without foundation

Antonyms for unfounded:

aboveboard
acceptable
accepted
accurate
actual
adequate
advantageous
all-consuming
ambitious
analytic
analytical
appropriate
ardent
as it really happened
attested
authentic
authenticated
balanced
bang on
based
believable
bona fide
called-for
card-carrying
certain
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Other 3-syllable words like unfounded

Here are some other common words that have 3 syllables, like unfounded does.

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