'Unreasonable' definitions:

Definition of 'unreasonable'

From: WordNet
adjective
Not reasonable; not showing good judgment [ant: reasonable, sensible]
adjective
Beyond normal limits; "excessive charges"; "a book of inordinate length"; "his dress stops just short of undue elegance"; "unreasonable demands" [syn: excessive, inordinate, undue, unreasonable]

Definition of 'Unreasonable'

From: GCIDE

Definition of 'Unreasonable'

From: GCIDE
  • Unreasonable \Un*rea"son*a*ble\, a. Not reasonable; irrational; immoderate; exorbitant. -- {Un*rea"son*a*ble*ness}, n. -- {Un*rea"son*a*bly}, adv. [1913 Webster]

Synonyms of 'unreasonable'

From: Moby Thesaurus