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

• Fresno
• fress
• fret
• fretful
• fretfully
• fretfulness
• fretsaw
• fretted
• fretwork
• Freud
• Freudian
• Freudian psychology
• Freudian slip
• Frey
• Freya
• Freyja
• Freyr
• FRG
• Fri
• friability
• friable
• friar
• friar preacher
• friar's lantern
• friar's-cowl