imperturbable

About 0.26 uses per million words.

Meaning

1. adjective Not capable of being, or not easily, perturbed, excited, or upset; calm and collected, even under pressure.

Similar words

unflappable composed unshaken sedate imperturbed unperturbable unperturbed imperturbated undisconcertable undisturbable

Often followed by

and good as gravity calm coolness in self temper

Word family

imperturbabilities imperturbability imperturbably