1. An attack without warning
   - coup de main

Type of: attack, onrush, onset, onslaught

• facilitate
• facilitation
• facilitative
• facilitator
• facilitatory
• facility
• facing
• facing pages
• facsimile
• facsimile machine
• fact
• fact mood
• fact of life
• fact-finding
• facticity
• faction
• factional
• factionalism
• factious
• factiously
• factitious
• factitive
• factoid
• factor
• factor analyse