Synonyms for Nutty as fruitcake

Synonyms starting with letter U

• unglued

  mentally strange, crazy
• unhinged

  mentally strange, insane, crazy
• unbalanced

  mentally strange, insane, crazy
• unzipped

  mentally strange
• unsound

  crazy, insane
• unsettled

  insane
• unwise
• unrealistic
• unworkable
• unscrewed
• upended
• ultraist
• unfastidious
• upset
• undone
• unfastened
• uncombed