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

• gross out
• gross profit
• gross profit margin
• gross revenue
• gross sales
• gross ton
• grossbeak
• grossly
• grossness
• grossular
• Grossulariaceae
• grossularite
• grosz
• grot
• grotesque
• grotesquely
• grotesqueness
• grotesquerie
• grotesquery
• Grotius
• grotto
• grotty
• grouch
• grouchily
• grouchiness