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unreasonable
adjective
See more 5-syllable adjectives

How to pronounce unreasonable:

Definition of unreasonable:

unreasonable (adjective):
beyond normal limits.
refusing to listen to reason
not governed by or acting according to reason

Synonyms for unreasonable:

absurd
arbitrary
baseless
biased
blinkered
excessive
fallacious
false
foundationless
gratuitous
groundless
headstrong
illogical
immoderate
implausible
inconsistent
inordinate
invalid
irrational
meaningless
misleading
misled
nonvalid
opinionated
specious
Show 11 more

Antonyms for unreasonable:

able to be done
acceptable
achievable
actual
adequate
advisable
advised
affordable
all there
analytic
analytical
applicable
appropriate
astute
attainable
authentic
average
balanced
believable
bog-standard
brainy
brilliant
calculated
called-for
calm
Show 235 more
Other 5-syllable words

Here are some other common 5-syllable words.

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