Antonyms for the word "final reckoning" include words that connote incompleteness or uncertainty. Words such as provisional, interim, or tentative might be used to describe a situation where the reckoning is not final. Alternatively, some antonyms could suggest a lack of clarity or precision, as in vague, imprecise, or indeterminate. Other antonyms for "final reckoning" might highlight the lack of importance or seriousness, for instance, trivial or insignificant. Regardless of the antonym used, it is clear that "final reckoning" implies a sense of finality, permanency, and significance that the antonyms seek to undermine or contradict.