1. Tormented or harassed by nightmares or unreasonable fears
   "hagridden...by visions of an imminent heaven or hell upon earth"
   - hag-ridden, tormented

See also: troubled

• Robert Venturi
• Robert Walpole
• Robert Wilhelm Bunsen
• Robert William Service
• Robert Woodrow Wilson
• Robert Woodward
• genus Phyllodoce
• genus Phylloporus
• genus Phyllorhynchus
• genus Phylloscopus
• genus Phyllostachys
• genus Phyllostomus
• genus Phylloxera
• genus Physa
• genus Physalia
• genus Physalis
• genus Physaria
• genus Physeter
• genus Physostegia
• genus Physostigma
• genus Phytelephas
• genus Phytolacca
• genus Phytophthora
• genus Pica
• genus Picea