هادئ

v. even

adj. calm, laid-back, quiet, quiescent, tranquil, serene, placid, peaceful, peaceable, composed, dispassionate, easygoing, impassive, imperturbable, cool, possessed, self-possessed, sober, steady, still, undisturbed, uneventful, unflappable, unruffled

n. guide rod

adj. quiet, calming