What does the cryptic crossword clue "Sweetheart rejected? Time for rebellion (6)" mean?

The definition is "Sweetheart". The wordplay uses a reversal. LOVER (reversal="sweetheart") + T (synonym="time") = REVOLT The answer is REVOLT.

Sweetheart rejected? Time for rebellion (6)

Independent Cryptic #11652 | 28 Across | 2024-02-14 flower