unflappable

Far more than an academic adviser, Quintenz is an unflappable, endlessly creative, tireless advocate for her students.

His disorienting optimism and unflappable insistence on seeing the potential good in people slowly wins over all the skeptical Brits who were giving him a hard time.

Jessie can’t help what comes out of her mouth, like when she greets every reminder that Tom is an actor with a knee-jerk disgust, but she’s unflappable enough to stand by each and every one of her preferences and opinions.

At the war’s end, it was these slim, unflappable, worldly women who were responsible for ferrying hundreds of young children out of the country during the controversial Operation Babylift.

Farmer is an unflappable optimist, to the point that it’s hard to imagine him getting stressed by much of anything.

Jacqueline Kennedy helped change all that in the 1960s, with her unflappable chic and wardrobe full of haute couture.

Until just last year, Eike Batista, now 56, seemed 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.