1. Sloping upward
   - rising, uphill

See also: acclivity, ascending

• unexceptionably
• unexceptional
• unexchangeability
• unexchangeable
• unexcitable
• unexcited
• unexciting
• unexcitingly
• unexclusive
• unexcused
• unexhausted
• unexpansive
• unexpected
• unexpectedly
• unexpectedness
• unexpendable
• unexpended
• unexpired
• unexplainable
• unexplained
• unexploded
• unexploited
• unexplorative
• unexploratory
• unexplored