1. Not prepared or vigilant
   - napping, off-guard, off guard, off one's guard, off his guard, off her guard

See also: unready

• ethicism
• ethicist
• ethics
• ethics committee
• ethics panel
• Ethiopia
• Ethiopian
• Ethiopian banana
• Ethiopian language
• Ethiopian monetary unit
• Ethiopic
• ethmoid
• ethmoid bone
• ethmoid sinus
• ethmoidal artery
• ethmoidal sinus
• ethmoidal vein
• ethnarch
• ethnic
• ethnic cleansing
• ethnic group
• ethnic joke
• ethnic minority
• ethnic music
• ethnic slur