1. Vested with large powers; independent 
2. Of or pertaining to the lord of a manor; manorial

Encyclopedia: Seigneurial

• somberly
• somberness
• sombre
• unmatched
• unmated
• unmeaning
• unmeant
• unmeasurable
• unmeasured
• unmechanical
• unmechanised
• unmechanized
• unmediated
• unmedical
• unmedicative
• unmedicinal
• unmelodic
• unmelodious
• unmelodiously
• unmelted
• unmemorable
• unmemorably
• unmentionable
• unmercenary
• unmerchantable