Esprit Critique

There are close English equivalents but they lack the elegance and weight of the French one in my opinion.

• “critical thinking” remains the closest culturally established term, even if the word “critical” is too loaded in English
• “intellectual curiosity” captures some of the spirit, though it’s broader. It also has a direct translation commonly used in French: “curiosité intellectuelle”
• “a sharp mind” has idiomatic flow but loses the analytical/questioning dimension
• “analytical mind” or “questioning mind”: closer, but still doesn’t roll off the tongue.

“Esprit critique” in French carries a very specific, almost philosophical prestige — the idea of rigorously examining things rather than accepting them at face value — and English tends to express that either through clunkier compound nouns or by borrowing the French outright. And yet, unless the audience knows the idiom, I feel it will be too often understood as “critical mind” or “critical thinking”, carrying that negative undertone.