Aoristic is a term used to describe the indefinite or imprecise nature of a situation or event, and as such, there are several synonyms that can be used to convey similar meanings. Words such as vague, uncertain, indefinite, and ambiguous are all synonyms for aoristic, as they each suggest a lack of clarity or specificity. Other synonyms include non-specific, undetermined, indeterminate, non-definitive, and open-ended, each emphasizing a similar lack of detail or clarity. Ultimately, the choice of synonym depends on the context and tone of the sentence, as well as the emphasis on the uncertainty or imprecision of the situation or event being described.