What does the cryptic crossword clue "Wearing camouflage say is marvellous! (10)" mean?

The definition is "marvellous!". The wordplay uses a double definition. Double definition The answer is OUTOFSIGHT.

Wearing camouflage say is marvellous! (10)

Independent Cryptic #12112 | 18 Across | 2025-08-04 flower