imperturbātus

a, um, adj.

2. in-perturbatus

I. undisturbed, unruffled, calm (very rare): imperturbato ore, Ov. Ib. 562: publicis occupationibus quies, Sen. Ep. 73 med.—Of persons: audio imperturbatus, interritus, Plin. Ep. 9, 13, 8: qui constans est, inperturbatus est, Sen. Ep. 85, 2; cf. ib. § 3.
Lewis & Short
A Latin Dictionary, 1879
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