1. Not prepared or vigilant
   "caught in an off-guard moment"
   - napping, off guard, off one's guard, off his guard, off her guard, off your guard

See also: unready

• moon-worship
• moonbeam
• mooncalf
• mooneye
• moonfish
• moonflower
• Moonie
• moonily
• moonless
• moonlight
• moonlighter
• moonlike
• moonlit
• moonrise
• moonscape
• moonseed
• moonseed family
• moonset
• moonshell
• moonshine
• moonshiner
• moonstone
• moonstruck
• moonwalk
• moonwort