1. Convex on both sides; shaped like a lentil
   - biconvex, lenticular, lentiform

See also: bulging, convex

• unexciting
• unexcitingly
• unexclusive
• unexcused
• unexhausted
• unexpansive
• unexpected
• unexpectedly
• unexpectedness
• unexpendable
• unexpended
• unexpired
• unexplainable
• unexplained
• unexploded
• unexploited
• unexplorative
• unexploratory
• unexplored
• unexportable
• unexposed
• unexpressed
• unexpressible
• unexpressive
• unexpurgated