1. Disposed to seek revenge or intended for revenge
   - vindictive, vengeful

See also: unforgiving

• unchecked
• uncheerful
• uncheerfulness
• unchewable
• unchivalrous
• unchivalrously
• unchristian
• unchristianly
• unchristlike
• unchurch
• uncial
• unciform bone
• uncinate
• uncircumcised
• uncivil
• uncivilised
• uncivilized
• uncivilly
• unclad
• unclaimed
• unclasp
• unclassifiable
• unclassified
• uncle
• Uncle Joe