Related formsim·per·turb·a·bil·i·ty, im·per·turb·a·ble·ness, nounim·per·turb·a·bly, adverb
Examples from the Web for imperturbable
Nor did Eric Ellman, my wise and imperturbable guide to the Mexican-American border river.
Upon my return Helen was looking her imperturbable neat self.I Walked in Arden|Jack Crawford
His imperturbable scent is a confused power of vision in what is twilight to us.The Man Who Laughs|Victor Hugo
That young man, while as imperturbable and languid in movement as ever, concealed an excitement.The Riverman|Stewart Edward White