1. (of especially persons) lacking sense or understanding or judgment
   - nitwitted, senseless, soft-witted

See also: stupid

• unclassified
• uncle
• Uncle Joe
• Uncle Remus
• Uncle Sam
• Uncle Tom
• unclean
• uncleanliness
• uncleanly
• uncleanness
• unclear
• uncleared
• unclearly
• unclearness
• unclimbable
• unclip
• unclipped
• uncloak
• unclog
• unclogged
• unclose
• unclothe
• unclothed
• unclouded
• uncloudedness