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

See also: unready

• forging
• forgivable
• forgivably
• forgive
• forgiveness
• forgiver
• forgiving
• forgivingly
• forgivingness
• forgo
• forgoing
• forgotten
• forint
• fork
• fork out
• fork over
• fork up
• fork-like
• forked
• forked lightning
• forkful
• forking
• forklift
• forklift truck
• forlorn