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.
This bonkers development actually ended up being a big part of world-building, as the unique circumstances of Fry's origins meant he was born without the Delta-Brainwave.
Source: https://www.cbr.com/futurama-fry-bender-leela-parents-fox/