unbalanced

UK
/ʌnˈbæl.ənst/
US
/ʌnˈbæl.ənst/

Examples

If, however, he is mentally unbalanced, irresponsible for his acts, there can be no more inhuman act conceived of than the wilful sacrifice of his life.

Si, toutefois, il est mentalement déséquilibré, irresponsable de ses actes, on ne peut concevoir d'acte plus inhumain que le sacrifice délibéré de sa vie.