1. Having no gills
   - abranchial, abranchious, gill-less

Antonym: branchiate

• concavity
• concavo-concave
• concavo-convex
• conceal
• concealable
• concealed
• concealer
• concealing
• concealment
• concede
• conceding
• conceit
• conceited
• conceitedly
• conceitedness
• conceivability
• conceivable
• conceivableness
• conceivably
• conceive
• conceive of
• conceiver
• concelebrate
• concent
• concenter