What does the cryptic crossword clue "One hooked and held by mad dictator (6)" mean?

The definition is "One hooked". The wordplay uses a hidden word. Hidden in "one hooked and held by mAD DICTator" The answer is ADDICT.

One hooked and held by mad dictator (6)

Guardian Cryptic #29017 | 24 Across | 2023-03-14 flower