He is known for his gentle, unflappable nature, prematurely grey hair, and reticence to slam dunk.

One of the traits that make Ernie Els a great golfer is his unflappable nature.

He thought that Oliver and Chrissie's "unflappable" natures made them a good fit for one another, though wondered if they were too alike.

Floyd was picked because of his unflappable nature.

His smiles, his mostly unflappable nature, his mocking and teasing, all of it was meant to maintain a distance.

In truth, the Uplift Board cared less about such cosmetic features than the fellow's calm, totally unflappable nature.

Lennon did so as a humorous reference to Smith's very unhurried and unflappable nature.

"No," Jik said quietly, with unflappable good nature.

He is known for his abounding courage and almost unflappable good nature.

"And deprive us of your talents, to say nothing of your unflappable good nature?"