imperturbable.

Remaining composed despite disturbance or pressure.

Use it for

Words that belong together

• imperturbable calm
• imperturbable manner

On the page

Her imperturbable calm steadied the crew.

He remained imperturbable through the interrogation.

Usage notes

Primary category: literary. Forms: Comparative more imperturbable; superlative most imperturbable where gradation is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.