1. Not prepared or vigilant
   - napping, off-guard, off guard, off one's guard, off his guard, off your guard

See also: unready

• philodendron
• philogyny
• Philohela
• Philohela minor
• philological
• philologist
• philologue
• philology
• Philomachus
• Philomachus pugnax
• philomath
• Philophylla
• philoprogenitive
• philosophaster
• philosopher
• philosophers' stone
• philosophers' wool
• philosophic
• philosophical
• philosophical doctrine
• philosophical system
• philosophical theory
• philosophically
• philosophise
• philosophiser