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

See also: rough, unsmooth

• omigod
• omigosh
• ominous
• ominously
• omissible
• omission
• omissive
• omit
• Omiya
• ommastrephes
• ommatidium
• Ommiad
• omni-
• omnibus
• omnidirectional
• omnidirectional antenna
• omnidirectional radio range
• omnidirectional range
• omnifarious
• omnipotence
• omnipotent
• omnipresence
• omnipresent
• omnirange
• omniscience