Aorist meaning : (grammar) A grammatical category of verbs that is often a perfective past: that is, it expresses perfective aspect (also known as aorist aspect) and past tense. The nearest equivalent in English is the simple past. (grammar) This grammatical category in a particular language, for instance, Albanian and Ancient and Modern Greek. (grammar) A particular verb in the aorist. (grammar) Of or pertaining to a verb in the aorist aspect.