Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Notably, one of the most important revelations in is that Sirius Black is an innocent man, and the real enemy who ratted out Harry's parents is Peter Pettigrew ( reveal this, but it does so rather chaotically.
Source: https://collider.com/prisoner-of-azkaban-best-directed-worst-written-harry-potter-movie/