Jacqueline Kennedy helped change all that in the 1960s, with her unflappable chic and wardrobe full of haute couture.
An unflappable, no-drama type who was driven to win, just like Plouffe himself.
And in her two initial days of hearings, Sotomayor was unflappable.
He's been close to unflappable amid a storm of restatements, retractions, and inconsistencies.
To this day, within military aviation, he is famous for his "steel trap" mind and his unflappable demeanor.
Even amid the pressure of maintaining such an unstable power base, Paul recalls an unflappable leader.
In secrecy; in obscurity: We had better keep this under wraps for a while (1939+)