Mentally incompetent synonyms | adjectives

Synonyms for Mentally incompetent as an Adjective

• absurd

  insane
• cracked

  insane
• crazed

  insane
• 

  crazy

  insane
• daft

  insane
• deranged
• dotty
• foolish
• harebrained
• idiotic
• loony
• moronic
• nuts
• nutty
• odd
• preposterous
• silly
• 

  stupid
• wacky
• bugged out
• potty
• balmy
• insane
• aestival
• estival
• summery
• summerlike