Synonyms and Antonyms of imperturbable

  1. not easily panicked or upset the chef was absolutely imperturbable—even when the kitchen caught on fire Synonyms unflappable, nerveless, 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)

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