What does the cryptic crossword clue "Overturn limit with audible expressions of regret (7)" mean?

The definition is "Overturn". The wordplay uses a homophone (sounds like). CAP (limit), SIZE sounds like sighs. The answer is CAPSIZE.

Overturn limit with audible expressions of regret (7)

Times Cryptic #29127 | 25 Across | 2025-01-15 flower