What does the cryptic crossword clue "Vague implication reportedly losing force (10)" mean?

The definition is "losing force". The wordplay uses a homophone (sounds like). DIM (vague) INUENDO (sounds like innuendo) The answer is DIMINUENDO.

Vague implication reportedly losing force (10)

Times Cryptic #28633 | 18 Across | 2023-06-19 flower