Not able or intended to be moved; SYN. immoveable, stabile, unmovable.
ETYM Latin imperturbabilis; pref. im- not + perturbare to disturb: cf. French imperturbable. Related to Perture.
Not easily perturbed or excited or upset; marked by extreme calm and composure SYN. unflappable.
Firm and dependable especially in loyalty; SYN. staunch, unswerving.
Not capable of being shaken; firm; fixed.
1. Not swerving or turning aside
2. Steady, unfaltering
In an imperturbable manner; calmly.
In an unflappable manner.
In an unshakable manner.