1. Not in a reasonable or intelligent manner
   "she reacted unreasonably when she learned she had failed" 
2. To a degree that exceeds the bounds or reason or moderation
   "his prices are unreasonably high"
   - immoderately, unconscionably

See also: unreasonable

Antonym: reasonably

• calaboose
• calabrese
• Calabria
• calabur tree
• calabura
• caladenia
• Caladenia cairnsiana
• caladium
• Caladium bicolor
• Calais
• Calamagrostic quadriseta
• Calamagrostis
• Calamagrostis acutiflora
• calamari
• calamary
• calamine
• calamine lotion
• calamint
• Calamintha
• Calamintha grandiflora
• Calamintha nepeta
• Calamintha nepeta glantulosa
• Calamintha sylvatica
• calamite
• calamitous