irrépressible signifie anglais

irrepressible▼◼◼◼(not containable or controllable)
adjective
[UK: ˌɪ.rɪ.ˈpre.səb.l̩] [US: ɪ.rə.ˈpre.səb.l̩]

undownable▼(invincible; which cannot be brought down or overcome)
adjective