形容词

1. 进步的；先进的；革新的
Someone who is progressive or has progressive ideas has modern ideas about how things should be done, rather than traditional ones.

2. （变化等）逐渐的，逐步发生的，逐步发展的
A progressive change happens gradually over a period of time.

1. a person who favors a political philosophy of progress and reform and the protection of civil liberties

Synonym: liberalliberalist

2. a tense of verbs used in describing action that is on-going

Synonym: progressive tenseimperfectimperfect tensecontinuous tense