The phrase "active critic" is correct and usable in written English.
It can be used to describe someone who actively engages in evaluating or analyzing works, performances, or ideas, often providing feedback or commentary.
Example: "As an active critic, she regularly attends art exhibitions and writes reviews for various publications."
Alternatives: "engaged critic" or "vocal critic".
My elder daughter has been more of an active critic.
Commissioner Giancarlo has been an active critic of many of the Dodd-Frank reforms discussed above.
While he is an active critic of American policy, he had no praise for Saddam either.
Smith is an active critic of the scientific evidence for human-induced climate change.
"I thought, 'Oh my God — what did I start?' " recalled Ms. Dusky, who had become an active critic of how adoption was handled.
He was also an active critic, writing for several newspapers.
Luis Fernandez-Galisnones ofe of the most knowledgeable and active critics of architecture in europe today.
An index should be passive, not active, critics argue; it should also be measuring market performance, rather than trying to beat it.
The most active critics today are peripatetic explorers, whose visits to festivals give them a far more complete view of the world of contemporary cinema than the small subset of it that finds its way to major commercial release.
Kern's predecessor went from being one of the key supporters of Angela Merkel's open-border strategy at the height of the refugee crisis to one of its most active critics, and the Austrian foreign minister, Sebastian Kurz, was one of the key players behind the closure of the Balkan route in March.
Wambach, one of the most active critics involved in the turf issue, is one of 84 players representing 13 countries who filed a lawsuit against FIFA and the Canadian Soccer Association for the use of artificial turf and proposed gender discrimination.
