idiopathic /id-i-ō-pathˈik/

1. (of a state or experience) peculiar to the individual
2. (of a disease, etc) arising spontaneously from some unknown cause, primary

idiopathˈically adverb

idiopˈathy noun

• pop off
• pop one's clogs
• popover
• popovers
• poppa
• poppadum
• poppadums
• poppas
• popped
• popper
• Popperian
• poppering
• poppering pear
• popperings
• poppers
• poppet
• poppet-head
• poppet-heads
• poppets
• poppet-valve
• poppied
• poppier
• poppies
• poppiest
• popping