Have a screw loose synonyms | adjectives

Synonyms for Have a screw loose as an Adjective

• have bats in the belfry
• insane
• mentally ill
• certifiable
• deranged
• demented
• of unsound mind
• sick in the head
• crazed
• lunatic
• non compos mentis
• unhinged
• disturbed
• raving
• psychotic
• psychopathic
• mad as a hatter
• mad as a March hare
• 

  crazy
• mental
• nuts
• nutty
• nutty as a fruitcake
• nutso
• not right in the head
• round the bend
• around the bend
• raving mad
• bats
• batty
• buggy
• bonkers
• dotty
• cuckoo
• cracked
• loopy
• loony
• bananas
• loco
• screwy
• schizoid
• psycho
• touched
• gaga
• not all there
• not right upstairs
• crackers
• meshuga
• wacko
• gonzo