The phrase "didst one's volition" can be interpreted as taking action based on one's own will or desire. Antonyms for this phrase could include terms like "forced," "obligated," "compelled," or "coerced," which imply a lack of choice or free will in the situation. Other antonyms could include phrases like "unwillingly," "reluctantly," or "half-heartedly," which suggest a lack of enthusiasm or passion for the action being taken. In contrast, synonyms for "didst one's volition" might include terms like "chose," "decided," "elected," or "opted," which imply a deliberate and intentional decision based on personal preference.
