1. Not defended or capable of being defended
   - assailable, undefended, open

See also: vulnerable

• decampment
• decanal
• decane
• decanedioic acid
• decani
• decanoic acid
• decant
• decantation
• decanter
• decapitate
• decapitated
• decapitation
• decapod
• decapod crustacean
• Decapoda
• Decapterus
• Decapterus macarellus
• Decapterus punctatus
• decarbonate
• decarbonise
• decarbonize
• decarboxylase
• decarboxylate
• decarboxylation
• decarburise