What does the cryptic crossword clue "No margin to avoid lethality in Lounge (4)" mean?

The definition is "Lounge". The wordplay uses a deletion. Hidden in "no margin to avoID LEthality in lounge" The answer is IDLE.

No margin to avoid lethality in Lounge (4)

Independent Cryptic #11867 | 27 Across | 2024-10-22 flower