English adjective: imperturbable | |||
| 1. | imperturbable not easily perturbed or excited or upset; marked by extreme calm and composure | ||
| Samples | Hitherto imperturbable, he now showed signs of alarm. An imperturbable self-possession. Unflappable in a crisis. | ||
| Synonyms | unflappable | ||
| Similar | composed | ||
| Antonyms | discomposed | ||