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.
Much like the Joker and Harley Quinn, Madcap's laughter hints at how he is fairing mentally, and the more he laughs, the worse he is.
Source: https://www.cbr.com/joker-comic-characters-always-laughing/