Synonyms for Nutty as fruitcake

Synonyms starting with letter S

• silly

  mentally strange
• schizo

  mentally strange
• screw loose

  mentally strange
• screwball

  mentally strange
• screwy

  mentally strange, insane
• schitzy

  crazy
• schizoid

  crazy
• sick

  insane
• sick in the head

  insane
• stark raving mad

  insane
• senseless

  insane
• schizophrenic
• 

  stupid
• strange
• short-sighted
• stallion
• schizzo
• stout-hearted
• steamed up
• smoking
• spazzed out
• strung out
• strung-out
• scuzzy
• shook-up
• shot to pieces
• steamed