utilisais
Utilisais is the imperfect tense form of the French verb utiliser, meaning to use. It is the second person singular form in the imperfect, written as tu utilisais. Because of elision, the same orthographic sequence can also appear as j'utilisais when the subject is je. The imperfect endings for -er verbs attach to the stem utilis-, giving forms such as j'utilisais, tu utilisais, il utilisait, nous utilisions, vous utilisiez, ils utilisaient.
In use, utilisais functions as a past-tense descriptor indicating ongoing or habitual action in the past. It
Examples illustrate the nuance. Tu utilisais ce logiciel hier, before the update, means you were using that
Notes for learners include that utilisais is not a standalone dictionary headword; it is a conjugated form