ret·ro·gres·sive /ˌretrəˈɡresɪv◂/ adjectiveadj formal PROGRESSreturning to an earlier and worse situation 倒退的,退步的,退化的 SYN regressive retrogressive legislation 倒退的法规
—retrogress verb [intransitiveI]
—retrogression /-ˈɡreʃən/ noun [singular, uncountableU]