1. Having hills and crags
   - craggy, hilly, mountainous

See also: rough, unsmooth

• univocally
• UNIX
• UNIX guru
• UNIX operating system
• UNIX system
• unjoint
• unjointed
• unjust
• unjustifiable
• unjustifiably
• unjustified
• unjustly
• unjustness
• unkempt
• unkemptness
• unkept
• unkeyed
• unkind
• unkind person
• unkindled
• unkindly
• unkindness
• unknot
• unknowable
• unknowing