unreasonable
adjective. not logical or sensible
- absurd
- all wet
- arbitrary
- biased
- capricious
- contradictory
- erratic
- fallacious
- far-fetched
- foolish
- full of hot air
- headstrong
- illogical
- incoherent
- incongruous
- inconsequential
- inconsistent
- invalid
- irrational
- loose
- mad
- nonsensical
- off the wall
- opinionated
- preposterous
- quirky
- reasonless
- senseless
- silly
- stupid
- thoughtless
- unreasoned
- vacant
- wrong
unthinkable
adjective. incredible, unusual
unusable
adjective. impracticable
- abstract
- absurd
- chimerical
- idealistic
- illogical
- impossible
- impractical
- improbable
- inapplicable
- inefficacious
- infeasible
- inoperable
- irrealizable
- ivory-tower
- no-go
- nonfunctional
- nonviable
- not a prayer
- otherworldly
- out of the question
- quixotic
- romantic
- speculative
- starry-eyed
- theoretical
- unattainable
- unbusinesslike
- unfeasible
- unnegotiable
- unreal
- unwise
- unworkable
- useless
- visionary
- wild
- won't fly
unworkable
adjective. impracticable
- abstract
- absurd
- chimerical
- idealistic
- illogical
- impossible
- impractical
- improbable
- inapplicable
- inefficacious
- infeasible
- inoperable
- irrealizable
- ivory-tower
- no-go
- nonfunctional
- nonviable
- not a prayer
- otherworldly
- out of the question
- quixotic
- romantic
- speculative
- starry-eyed
- theoretical
- unattainable
- unbusinesslike
- unfeasible
- unnegotiable
- unreal
- unserviceable
- unusable
- useless
- visionary
- wild
- won't fly
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.