What does the cryptic crossword clue "Engaged by chance, strove desperately to become besotted (10)" mean?

The wordplay uses an anagram. anagram of STROVE (synonym="STROVE") + LUCK (synonym="LUCK") = LOVESTRUCK The answer is LOVESTRUCK.

Engaged by chance, strove desperately to become besotted (10)

Guardian Cryptic #29665 | 14 Down | 2025-04-10 flower