What does the cryptic crossword clue "I'm old and accept changing is difficult (11)" mean?

The wordplay uses an anagram. anagram of IMOLDACCEPT ("I'm old and accept") [anagram: "changing"] = COMPLICATED The answer is COMPLICATED.

I'm old and accept changing is difficult (11)

Independent Cryptic #11884 | 7 Down | 2024-11-11 flower