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

See also: composed

Encyclopedia: Unflappable

• especially
• Esperantido
• Esperanto
• espial
• espionage
• espionage agent
• espionage network
• esplanade
• Espoo
• espousal
• espouse
• espresso
• espresso maker
• espresso shop
• esprit
• esprit de corps
• esprit de l'escalier
• espy
• Esq
• get across
• get ahead
• get along
• get along with
• get around
• get around to