happening or developing gradually or in stages; proceeding step by step.
“a progressive decline in popularity”
synonyms: continuing, continuous, increasing, growing, developing, ongoing, accelerating, escalating; More
(of a group, person, or idea) favoring or implementing social reform or new, liberal ideas.
“a relatively progressive governor”
a person advocating or implementing social reform or new, liberal ideas.
synonyms: innovator, reformer, reformist, liberal, libertarian
“he is very much a progressive”
a progressive tense or aspect.
“the present progressive”
The boiling frog is a fable describing a frog being slowly boiled alive. The premise is that if a frog is put suddenly into boiling water, it will jump out, but if the frog is put in tepid water which is then brought to a boil slowly, it will not perceive the danger and will be cooked to death.