1. Not having a lining or liner
   "a thin unlined jacket" 
2. Smooth, especially of skin
   "his cheeks were unlined"
   - seamless, unseamed

See also: smooth

Antonym: lined

• powderpuff
• powdery
• powdery mildew
• powdery-blue
• Powell
• power
• power brake
• power breakfast
• power cable
• power company
• power cord
• power couple
• power cut
• power dressing
• power drill
• power failure
• power grid
• power hammer
• power hunger
• power law
• power line
• power loading
• power loom
• power lunch
• power meter