imperturbable
Meanings
Adjective Satellite
- not easily perturbed or excited or upset; marked by extreme calm and composure
- "hitherto imperturbable, he now showed signs of alarm"
- "an imperturbable self-possession"
Adj
- Not capable of being, or not easily, perturbed, excited, or upset; calm and collected, even under pressure.
Origin / Etymology
PIE word
*né
From Late Middle English imperturbable (“undisturbed; impossible to disturb”), borrowed from Late Latin imperturbābilis, from Latin im- (variant of in- (prefix meaning ‘not’)) + Late Latin perturbabilis (“perturbable”) (from Latin perturbō (“to confuse; to alarm, disturb, trouble, perturb”) + -bilis (suffix forming adjectives denoting a capacity or worth of being acted upon)). Perturbō is derived from per- (intensifying prefix) + turbō (“to agitate, disturb, unsettle, perturb; to upset”) (from turba (“disorder, disturbance, turmoil”) (possibly from Ancient Greek τῠ́ρβη (tŭ́rbē, “confusion, disorder, tumult”), either from Pre-Greek, or Proto-Indo-European *(s)twerH- (“to agitate, stir up; to urge on, propel”)) + -ō (suffix forming infinitives of regular first-conjugation verbs)). By surface analysis, im- (prefix meaning ‘not’) + perturbable.
Synonyms
abstemious, calm, collected, composed, continent, cool, cool-headed, dispassionate, equable, equanimitable, equanimous, even-keeled, even-minded, even-tempered, imperturbable, inexcitable, laid-back, level-headed, mellow, pacate, pacific, peaceable, peaceful, phlegmatic, placid, quiescent, quiet, regular, relaxed, roolie, sedate, serene, sober, staid, steady, still, temperate, tranquil, undisturbed, unexcitable, unexcited, unfazed, unflappable, unflustered, unimpassioned, unpassionate, unperturbable, unperturbed, unruffable, unruffled, unstirred, unsusceptible, untumultuous
Antonyms
calm, imperturbable, intrepid, perturbable, serene, unperturbed, unworried
Scrabble Score: 0
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imperturbable is not valid in International Collins CSW Dictionary