becoming or making sth less advanced退化的；退步的；倒退的◆The policy has been condemned as a regressive step.这项政策被认为是一种倒退而受到谴责。 () used to describe a tax such as sales tax that has less effect on people with a high income than on people with a low income递减的（税项对高收入者的影响比对低收入者的小）◆Tariffs are a regressive tax on smaller firms and the poor.关税对小企业和穷人是一种递减税。OPPprogressive