'Unreasonably' definitions:

Definition of 'unreasonably'

From: WordNet
adverb
Not in a reasonable or intelligent manner; "she reacted unreasonably when she learned she had failed" [ant: reasonably, sanely, sensibly]
adverb
To a degree that exceeds the bounds or reason or moderation; "his prices are unreasonably high" [syn: unreasonably, immoderately] [ant: fairly, jolly, middling, moderately, passably, pretty, reasonably, somewhat]

Definition of 'Unreasonably'

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]