1. Without a lip or lips
   - unlipped

Antonym: lipped

• recluse
• reclusion
• reclusive
• reclusiveness
• recode
• recoding
• recognisable
• recognisably
• recognisance
• recognise
• recognised
• recognition
• recognizable
• recognizably
• recognizance
• recognize
• recognized
• recoil
• recoilless
• recollect
• recollection
• recollective
• recolonisation
• recolonise
• recolonization