1. Not easily perturbed or excited or upset; marked by extreme calm and composure
   "unflappable in a crisis"
   - imperturbable

See also: composed

Encyclopedia: Unflappable

• Lotus corniculatus
• lotus position
• Lotus tetragonolobus
• lotus tree
• lotus-eater
• lotusland
• Lou Gehrig
• Lou Gehrig's disease
• louche
• loud
• loud pedal
• loud-hailer
• loud-mouthed
• loud-voiced
• louden
• loudly
• loudmouth
• loudness
• loudspeaker
• loudspeaker system
• loufah sponge
• lough
• Louis
• Louis Agassiz
• Louis Antoine de Bougainville