Imperturbable
Imperturbable , adjective
[Latin imperturbabilis; pref. im- not + perturbare to disturb: compare French imperturbable. See Perture.]
Incapable of being disturbed or disconcerted; as, imperturbable gravity.
Imperturbable , adjective
[Latin imperturbabilis; pref. im- not + perturbare to disturb: compare French imperturbable. See Perture.]