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.
Even after unlocking the true ending, found after completing Metal Gear Zeke and capturing Zadornov enough times, there are more missions to do.
Source: https://gamerant.com/games-that-have-hard-to-unlock-post-game-content/