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.
In this way, the Alphas seemed to be a pretty nefarious enemy, though the series used them sparingly.
Source: https://screenrant.com/supernatural-villain-alpha-monster-waste/