The phrase "one best guessed" implies uncertainty or ambiguity, leaving room for alternative interpretations. Antonyms for this phrase might include "clearly defined," "unquestionably," "unequivocally," or "indisputable." These terms suggest a level of certainty or definitive quality, whereas "one best guessed" suggests a degree of subjectivity or guesswork. In contrast, antonyms for "one best guessed" may also include words such as "conclusive," "decisive," or "settled," which emphasize the idea of a firm conclusion or outcome. Whether used in the context of decision-making, problem-solving, or simply as a description of circumstances, antonyms for "one best guessed" can help clarify meaning and dispel any uncertainties.