Esp. of a duty or tax: that is in proportion to value; proportional. Frequently opposed to specific, adj. 4c.

Characterized by continuous progress or advancement. Of a tax or taxation: increasing gradually according to ability to pay; increasing as a…

Economics. Of a duty, tax, etc.: varying according to circumstances, differential; = discriminating, adj. 3.

Political Economy. Of taxation: Not levied directly upon the person on whom it ultimately falls, but charged in some other way, esp. upon the…

Of, relating to, or involving progression (in various senses); progressing, progressive.

In taxation: of or relating to schemes in which the rate decreases successively on sums below a certain limit.

Of a tax or taxation: increasing as a proportion of the sum taxed as that sum decreases; (hence) having a proportionately greater effect on people…

colloquial or slang. slang (originally U.S.). To impose upon (a person, etc.) by an extortionate charge or price; to charge or tax heavily; to…

U.S. Finance. Used with reference to (a) a mortgage which continues when the mortgaged property is sold, the repayments to the original lender…