How do I solve 15 down in Express Cryptic 20260520?

Question

Accepted Answer

15 down reads "Short-lived rant is about hospital department" (9 letters); the answer is TRANSIENT. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

Short-lived rant is about hospital department (9)

15D — Short-lived rant is about hospital department (9) — TRANSIENT