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.
Harry had some bad Defense Against the Dark Arts teachers, but Gilderoy Lockhart was possibly the worst one of them.
Source: https://www.cbr.com/poorly-written-harry-potter-characters/