imperturbable

adjective

im·per·turb·able ˌim-pər-ˈtər-bə-bəl How to pronounce imperturbable (audio)

: marked by extreme calm, impassivity, and steadiness : serene

imperturbability

ˌim-pər-ˌtər-bə-ˈbi-lə-tē How to pronounce imperturbable (audio)

noun

imperturbably

ˌim-pər-ˈtər-bə-blē How to pronounce imperturbable (audio)

adverb

Did you know?

There is an interesting time lag between the appearance of imperturbable and its antonym, perturbable. Although imperturbable is known to have existed since the middle of the 15th century, perturbable didn't show up in written English until 1800. The verb perturb (meaning "to disquiet" or "to throw into confusion") predates both imperturbable and perturbable; it has been part of English since the 14th century. All three words derive from Latin perturbare (also meaning "to throw into confusion"), which in turn comes from the combination of per- (meaning "thoroughly") and turbare, which means "to disturb." Other relatives of imperturbable include disturb and turbid.

Example Sentences

Although he seems outwardly imperturbable, he can get very angry at times. the chef was absolutely imperturbable—even when the kitchen caught on fire

Recent Examples on the Web That is especially true for Michaels, who is famously imperturbable under pressure, professorially philosophical about the businesses of comedy and television, and consistently medium-cool in his overall demeanor.

Bill Carter For Cnn Business Perspectives, CNN, 9 Sep. 2022 Gerald Kyd also shines as all-seeing, imperturbable Dr. Dorn, whether wearyingly suggesting Arkadina’s ailing brother simply needs to take Paracetamol or thoughtfully dispensing kindness.

David Benedict, Variety, 8 July 2022 Inquisitive and imperturbable, Nelly is our guide through the story, which somehow unfolds on her initiative.

Anthony Lane, The New Yorker, 21 Apr. 2022 The fat man was still sitting with the same imperturbable calm.

Vladimir Sorokin, The New Yorker, 27 Sep. 2021 And the flexibility of the imperturbable Audi mill allows a fifth-gear drive from near idle to redline, a trait reminiscent of the early Lamborghini GTs and one which makes the Spyker a pussycat to drive around town.

Robert Ross, Robb Report, 20 Sep. 2021 The Emmy winner stars as Del Harris, the imperturbable police chief in the languishing Rust Belt town of Buell, Pennsylvania.

Ew Staff, EW.com, 10 Sep. 2021 The slow movement was infused with an imperturbable serenity, perhaps the single most elusive state to achieve in the Hollywood Bowl.

Los Angeles Times, 21 Aug. 2021 And, alone among the leading founders, the great imperturbable James Madison thought the country would likely do just fine.

Barton Swaim, WSJ, 2 July 2021 See More

imperturbable

adjective

as in nonchalant

not easily panicked or upset the chef was absolutely imperturbable—even when the kitchen caught on fire

Synonyms & Similar Words

Relevance

nonchalant
calm
unflappable
serene
unshakable
composed
nerveless
unruffled
unperturbed
cool
collected
unshaken
tranquil
placid
unworried
undisturbed
untroubled
coolheaded
steely
self-possessed
icy
self-composed
self-collected

Antonyms & Near Antonyms

perturbable
panicky
perturbed
shakable
shakeable
nervous
uptight
troubled
anxious
uneasy
shaky
dithery
tense
jittery
jumpy
upset
edgy
nervy
worried
het up
aflutter
hung up

Synonym Chooser

Some common synonyms of imperturbable are collected, composed, cool, nonchalant, and unruffled. While all these words mean "free from agitation or excitement," imperturbable implies coolness or assurance even under severe provocation.

the speaker remained imperturbable despite the heckling

The words collected and imperturbable are synonyms, but do differ in nuance. Specifically, collected implies a concentration of mind that eliminates distractions especially in moments of crisis.

the nurse stayed calm and collected

Although the words composed and imperturbable have much in common, composed implies freedom from agitation as a result of self-discipline or a sedate disposition.

the composed pianist gave a flawless concert

In some situations, the words cool and imperturbable are roughly equivalent. However, cool may imply calmness, deliberateness, or dispassionateness.

kept a cool head

While in some cases nearly identical to imperturbable, nonchalant stresses an easy coolness of manner or casualness that suggests indifference or unconcern.

a nonchalant driver

While the synonyms unruffled and imperturbable are close in meaning, unruffled suggests apparent serenity and poise in the face of setbacks or in the midst of excitement.

harried but unruffled

单词	imperturbable
释义	imperturbable adjective im·per·turb·able ˌim-pər-ˈtər-bə-bəl : marked by extreme calm, impassivity, and steadiness : serene imperturbability ˌim-pər-ˌtər-bə-ˈbi-lə-tē noun imperturbably ˌim-pər-ˈtər-bə-blē adverb Did you know? There is an interesting time lag between the appearance of imperturbable and its antonym, perturbable. Although imperturbable is known to have existed since the middle of the 15th century, perturbable didn't show up in written English until 1800. The verb perturb (meaning "to disquiet" or "to throw into confusion") predates both imperturbable and perturbable; it has been part of English since the 14th century. All three words derive from Latin perturbare (also meaning "to throw into confusion"), which in turn comes from the combination of per- (meaning "thoroughly") and turbare, which means "to disturb." Other relatives of imperturbable include disturb and turbid. Synonyms nerveless unflappable unshakable See all Synonyms & Antonyms Example Sentences Although he seems outwardly imperturbable, he can get very angry at times. the chef was absolutely imperturbable—even when the kitchen caught on fire Recent Examples on the Web That is especially true for Michaels, who is famously imperturbable under pressure, professorially philosophical about the businesses of comedy and television, and consistently medium-cool in his overall demeanor. Bill Carter For Cnn Business Perspectives, CNN, 9 Sep. 2022 Gerald Kyd also shines as all-seeing, imperturbable Dr. Dorn, whether wearyingly suggesting Arkadina’s ailing brother simply needs to take Paracetamol or thoughtfully dispensing kindness. David Benedict, Variety, 8 July 2022 Inquisitive and imperturbable, Nelly is our guide through the story, which somehow unfolds on her initiative. Anthony Lane, The New Yorker, 21 Apr. 2022 The fat man was still sitting with the same imperturbable calm. Vladimir Sorokin, The New Yorker, 27 Sep. 2021 And the flexibility of the imperturbable Audi mill allows a fifth-gear drive from near idle to redline, a trait reminiscent of the early Lamborghini GTs and one which makes the Spyker a pussycat to drive around town. Robert Ross, Robb Report, 20 Sep. 2021 The Emmy winner stars as Del Harris, the imperturbable police chief in the languishing Rust Belt town of Buell, Pennsylvania. Ew Staff, EW.com, 10 Sep. 2021 The slow movement was infused with an imperturbable serenity, perhaps the single most elusive state to achieve in the Hollywood Bowl. Los Angeles Times, 21 Aug. 2021 And, alone among the leading founders, the great imperturbable James Madison thought the country would likely do just fine. Barton Swaim, WSJ, 2 July 2021 See More Word History Etymology Middle English, from Late Latin imperturbabilis, from Latin in- + perturbare to perturb First Known Use 15th century, in the meaning defined above Kids Definition imperturbable adjective im·per·turb·able ˌim-pər-ˈtər-bə-bəl : hard to disturb or upset : very calm an imperturbable teacher imperturbable adjective as in nonchalant not easily panicked or upset the chef was absolutely imperturbable—even when the kitchen caught on fire Synonyms & Similar Words Relevance nonchalant calm unflappable serene unshakable composed nerveless unruffled unperturbed cool collected unshaken tranquil placid unworried undisturbed untroubled coolheaded steely self-possessed icy self-composed self-collected Antonyms & Near Antonyms perturbable panicky perturbed shakable shakeable nervous uptight troubled anxious uneasy shaky dithery tense jittery jumpy upset edgy nervy worried het up aflutter hung up See More Synonym Chooser Some common synonyms of imperturbable are collected, composed, cool, nonchalant, and unruffled. While all these words mean "free from agitation or excitement," imperturbable implies coolness or assurance even under severe provocation. the speaker remained imperturbable despite the heckling The words collected and imperturbable are synonyms, but do differ in nuance. Specifically, collected implies a concentration of mind that eliminates distractions especially in moments of crisis. the nurse stayed calm and collected Although the words composed and imperturbable have much in common, composed implies freedom from agitation as a result of self-discipline or a sedate disposition. the composed pianist gave a flawless concert In some situations, the words cool and imperturbable are roughly equivalent. However, cool may imply calmness, deliberateness, or dispassionateness. kept a cool head While in some cases nearly identical to imperturbable, nonchalant stresses an easy coolness of manner or casualness that suggests indifference or unconcern. a nonchalant driver While the synonyms unruffled and imperturbable are close in meaning, unruffled suggests apparent serenity and poise in the face of setbacks or in the midst of excitement. harried but unruffled
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imperturbable

adjective

Did you know?

Synonyms

Example Sentences

Word History

Kids Definition

adjective

adjective

Synonym Chooser