A critical essay is an essay that applies an analytical framework to a text, event, or cultural phenomenon. The writer does not merely describe or summarize the subject but interprets it — reading it through a lens that reveals something not visible on the surface.
The critical essay is the dominant form in academic humanities. A literary critical essay might read a novel through the lens of postcolonial theory; a cultural critical essay might analyze a political speech through rhetorical theory; a philosophical critical essay might examine an argument’s hidden assumptions. In each case, the essay’s work is analysis: the writer shows the reader how to see the subject differently.
The form requires two things the writer must balance: fidelity to the subject (representing it accurately, quoting it fairly, not distorting it to fit the argument) and independent thinking (saying something about the subject that goes beyond what anyone can see without the essay’s analytical work). A critical essay that only summarizes the subject hasn’t done its work; one that distorts the subject to serve the argument has done dishonest work.
The critical essay’s evidence is typically drawn from the subject itself — close reading, textual analysis, detailed description. The warrant connecting evidence to claim is supplied by the analytical framework: “this detail matters because this theory tells us it matters.” Making that warrant explicit is essential, because readers who don’t share the analytical framework won’t see why the evidence supports the claim.