How do I solve 14 down in Daily Telegraph Cryptic 3374?

Question

Accepted Answer

14 down reads "Inexperienced politician" (5 letters); the answer is GREEN. It's a double-definition clue: two separate definitions of the same word sit side by side. No wordplay split and no indicators — both halves of the clue define the answer. The full step-by-step breakdown is on this page.

Inexperienced politician (5)

14D — Inexperienced politician (5) — GREEN