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

See also: unready

• gravitation
• gravitation wave
• gravitational
• gravitational attraction
• gravitational collapse
• gravitational constant
• gravitational field
• gravitational force
• gravitational interaction
• gravitational mass
• gravitational theory
• gravitationally
• gravitative
• graviton
• gravity
• gravity bomb
• gravity fault
• gravity gradient
• gravity meter
• gravity wave
• gravity-assist
• gravlax
• gravure
• gravy
• gravy boat