1. Not befitting a gentleman
   - ungentlemanlike

See also: unrefined

• decalcify
• decalcomania
• decalescence
• decalescent
• decaliter
• decalitre
• Decalogue
• decameter
• decametre
• decamp
• decampment
• decanal
• decane
• decanedioic acid
• decani
• decanoic acid
• decant
• decantation
• decanter
• decapitate
• decapitated
• decapitation
• decapod
• decapod crustacean
• Decapoda