The phrase "by whole of" implies that something is done or achieved through a comprehensive or complete effort. Antonyms for this phrase would include "partially," "incomplete," or "by means of only a portion." Another possible antonym could be "sporadically," which suggests that the action is done in a scattered or inconsistent manner. Other antonyms could include "inadequately," "incompetently," or "unsuccessfully," indicating a failure to achieve the desired outcome. Conversely, "efficiently," "competently," or "successfully" would be considered synonyms of "by whole of," suggesting a thorough, effective, and comprehensive effort.