January 28, 2026
imperturbable
/ˌɪmpəˈtɜːbəbəl/adjective
Staying calm no matter what happens; impossible to fluster.
Example sentences
- “The pilot remained imperturbable during the turbulence.”
- “Our imperturbable teacher kept everyone calm during the fire alarm.”
A memory aid: someone who cannot be perturbed. Praise for people who stay calm under pressure.