Synonyms for Crazy

Synonyms starting with letter O

• odd

  mental condition, weird, strange
• outrageous

  strange, unrealistic
• out to lunch

  mental, insane, mentally strange
• of unsound mind

  insane, mentally strange
• outlandish
• oddball

  strange
• off

  mental condition, sane
• off-the-wall

  insane
• off the wall

  mental
• offbeat
• oddity
• overwrought
• obsessed
• overexcited
• out of all reason

  unrealistic
• off one's head

  mental
• off one's rocker

  mental
• obsessive
• out of control
• original
• outre
• overstrung
• out of the question
• out of your mind

  insane
• off your rocker

  insane
• off your head
• out of one's mind

  mad
• overpriced
• ornate
• ostentatious
• overboard
• origination
• off-center
• out in left field
• on edge
• overworked
• out of the ordinary
• off the beaten track
• out of sight
• on cloud nine