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

See also: unready

• propanamide
• propane
• propanediol
• propanoic acid
• propanol
• propanone
• proparoxytone
• propel
• propellant
• propellant explosive
• propellent
• propeller
• speech
• speech act
• speech communication
• speech community
• speech day
• speech defect
• speech disorder
• speech intelligibility
• speech organ
• speech pattern
• speech perception
• speech production
• speech rhythm