The term 'more impelling' refers to something that pushes or motivates an individual to take action or make a decision. Antonyms for this phrase could include terms such as unconvincing, unstimulating, or unpersuasive. These words indicate a lack of forcefulness, enthusiasm, or persuasive power. Such antonyms could be applied in situations where a person is not sufficiently motivated to act on a particular matter, or where an argument lacks strength and efficacy. While 'more impelling' refers to a positive quality that inspires individuals, antonyms highlight the opposite quality, where individuals may feel disinterested or unmotivated.