невозмутимый znamená v Angličtina

cool [cooler, coolest]▼(not showing emotion, calm)
adjective
[UK: kuːl] [US: ˈkuːl]

deadpan▼(deliberately impassive or expressionless (as a face or look))
adjective
[UK: ˈded.pæn] [US: ˈded.ˌpæn]

imperturbable▼(not easily perturbed)
adjective
[UK: ˌɪm.pə.ˈtɜː.bəb.l̩] [US: ˌɪm.pə.ˈtɝː.bəb.l̩]

nonchalant▼(casually calm and relaxed)
adjective
[UK: ˈnɒn.ʃə.lənt] [US: ˌnɑːn.ʃə.ˈlɑːnt]

stolid▼(having or revealing little emotion or sensibility)
adjective
[UK: ˈstɒ.lɪd] [US: ˈstɑː.ləd]

unflappable▼(remaining composed and level-headed at all times)
adjective
[UK: ˌʌn.ˈflæ.pəb.l̩] [US: ən.ˈflæ.pəb.l̩]