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

See also: composed

Encyclopedia: Unflappable

• Channel Island
• Channel Islands National Park
• Channel Tunnel
• channel-hop
• channel-surf
• channelisation
• channelise
• channelization
• channelize
• channels
• Channidae
• Channukah
• Channukkah
• chanoyu
• chanson
• chanson de geste
• chant
• chantarelle
• chanted
• chanter
• chanterelle
• chanteuse
• chantey
• chanticleer
• chanting