imperturbable
im-per-TUR-buh-bul
/ˌɪmpərˈtɜːrbəbl̩/
Unable to be upset or excited; calm and unshakeable.
Describes a trait of character or temperament that actively resists disturbance, even during chaotic events.
The story behind the word. Derived from Latin 'imperturbabilis', combining 'in-' (not) with 'perturbare' (to confuse or throw into disorder, from 'turba', a noisy crowd). An imperturbable person cannot be thrown into disorder by any crowd or crisis.
Word relationships
- unflappable: Unflappable is slightly more informal; imperturbable is formal and classical.
- unruffled: Unruffled describes an immediate appearance; imperturbable describes an innate quality of character.
- excitable: Excitable means easily stirred into emotional agitation.
- perturbable: Easily disturbed or rattled.
Commonly confused with
- impervious: Impervious means incapable of being penetrated or affected physically; imperturbable means mentally incapable of being upset.
Word family
- imperturbability (noun): The state or quality of being imperturbable.
- imperturbably (adverb): In an imperturbable manner.
Collocations
- imperturbable calm
- imperturbable demeanor
- remain imperturbable
- imperturbable nature
Idioms & expressions
- cool as a cucumber
- unflappable
Example sentences
- "Through all the shouting and commotion of the courtroom, the judge remained imperturbable." Character description in literature
- "Her imperturbable demeanor during the disaster gave the panicked crew confidence." Military leadership analysis
Memory hook
Think 'IM-PER-TURB-ABLE' = Impossible to disturb or turn upside down. Cannot be disturbed.
When not to use
Do not use for inanimate objects unless using personification.
Fun facts
- In 19th-century diplomatic dispatches, calling an ambassador 'imperturbable' was considered the highest possible praise for negotiating skills.
Related words
Explore more words
unflappable, unruffled, equanimity, incorruptible, placid, tranquil
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