1. Not prepared or vigilant
   - napping, off-guard, off guard, off his guard, off her guard, off your guard

See also: unready

• trichromatic
• trichromatism
• trichrome
• trichuriasis
• Trichys
• Trichys lipura
• trick
• trick or treat
• trick out
• trick up
• trick-or-treating
• tricked-out
• tricker
• trickery
• trickily
• trickiness
• trickle
• trickle-down
• trickster
• tricksy
• tricky
• triclinic
• triclinium
• tricolor
• tricolor television tube