ISEE/SSAT Vocabulary Builder›Words›I›imperturbable
ISEE/SSAThard
imperturbable
remaining calm and untroubled under pressure
Synonyms
- unflappable
- composed
- placid
Antonyms
- agitated
- rattled
- anxious
imperturbable in a sentence
The imperturbable pilot spoke calmly as the plane entered heavy turbulence.
Surrounded by frantic aides, the imperturbable governor reviewed the emergency plan.
Where it comes from
From Latin perturbare, meaning 'to disturb,' with a prefix meaning 'not' and a suffix meaning 'able.'
Memory hook
IM-PERTURB-ABLE means 'not able to be perturbed': nothing rattles you.
Read it in context
- Who Counts in Dockside Social Science
- The Ledger Conspiracy History
- The House at Mallow End Narrative
Practice imperturbable in the app