One who regresses.

Able to regress or be regressed.

An action of regressing, a return to a previous state. / An action of travelling mentally back in time.

plural of regression

simple past tense and past participle of regress

That has been subject to regression

That tends to return, revert or regress. / (of a tax) Whose rate decreases as the taxed amount increases.

plural of regressivity

(logic) A regress into an infinite sequence of propositions in an attempt to found the truth of the proposition Pᵢ on the truth of the proposition Pᵢ₊₁.

(philosophy) The paradoxical situation whereby, if one accepts the cognitivist theory that every action is preceded by a thought, each thought must also be preceded by another thought, and so thinking could apparently never begin.