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

See also: unready

• go-slow
• go-to-meeting
• Goa
• goa bean
• goa bean vine
• Goa powder
• goad
• goaded
• goading
• goal
• goal line
• goal-directed
• goal-kick
• goalie
• goalkeeper
• goalless
• goalmouth
• goalpost
• goaltender
• goanna
• goat
• goat antelope
• goat cheese
• goat god
• goat grass