1. Engaged in or ready for military or naval operations
   "the platoon is combat-ready"
   - active, fighting

See also: operational

• flexile
• flexion
• flexitime
• flexor
• flexor muscle
• flextime
• flexuous
• flexure
• flibbertigibbet
• flick
• flick-knife
• flicker
• flickering
• flickertail
• flier
• flies
• flight
• flight attendant
• flight control
• flight deck
• flight engineer
• flight feather
• flight indicator
• flight line
• flight maneuver