unstable◼◼◼(not stable) adjective [UK: ʌn.ˈsteɪb.l̩] [US: ʌn.ˈsteɪb.l̩]John's unstable. = John est instable.
unstable◼◼◼(readily decomposed or decomposable) adjective [UK: ʌn.ˈsteɪb.l̩] [US: ʌn.ˈsteɪb.l̩]John's unstable. = John est instable.
unsteady◼◼◻adjective [UK: ʌn.ˈste.di] [US: ʌn.ˈste.di]John insisted he hadn't been drinking, but his slurred speech and unsteady gait gave him away. = John a insisté qu'il n'avait pas bu, mais son élocution et sa démarche instable le trahissait.