In the grammar of Ancient Greek, including Koine, the aorist (pronounced /ˈeɪ.ərɪst/ or /ˈɛərɪst/) is a class of verb forms that generally portray a situation as simple or undefined, that is, as having aorist aspect. In the grammatical terminology of classical Greek, it is a tense, one of the seven divisions of the conjugation of a verb, found in all moods and voices.