nerveless

1 lacking strength of will or character he's a nerveless pushover who'll be eaten alive by his own staff Synonyms characterless, effete, frail, invertebrate, limp-wristed, milk-and-water, namby-pamby, weak, soft, spineless, weakened, weak-kneed, weakling, wet [British], wimpish, wimpy, wishy-washyRelated Words flabby, flaccid, forceless, ineffective, ineffectual; impotent, impuissant, powerless; emasculated, unnerved; lamblike, meek, pliable, submissive; corrupt, dastardly, unprincipled, unscrupulous, villainous; cowardly, craven, fainthearted, lily-livered, nebbishy, poltroon, pusillanimous, sissy, timid; infirm, irresolute, vacillatingNear Antonyms ethical, good, moral, principled, right, righteous, upright, virtuous; determined, mettlesome, resolute, unrelenting; courageous, stalwart, stoutheartedAntonyms backboned, firm, hard, strong, tough

2 not easily panicked or upset to be a paramedic, you need to be calm, clearheaded, and nerveless in emergencies Synonyms imperturbable, unflappable, unshakableRelated Words calm, collected, composed, cool, coolheaded, icy, nonchalant, placid, self-collected, self-composed, self-possessed, serene, steely, tranquil, undisturbed, unperturbed, unruffled, unshaken, untroubled, unworriedNear Antonyms panicky; aflutter, anxious, dithery, edgy, het up, hung up, jittery, jumpy, nervous, nervy, perturbed, shaky, tense, troubled, uneasy, upset, uptight, worriedAntonyms perturbable, shakable (or shakeable)