Définitions
1.PrepositionUp to the time of (something happening); pending."If you can wait until after my meeting with her, we'll talk then."
2.PrepositionUp to (a certain place)"Keep walking until the second set of traffic lights, then turn left."
3.PrepositionBefore (a time).
4.PrepositionTo; physically towards.
5.PrepositionUp to the time that the foods or other things available to sell, or tasks which need to be completed, run out."Bake sale on Saturday, 2pm until."
6.ConjunctionUp to the time that (a condition becomes true)."Not until I got his email did I fully understand his disappointment.; It took us a week before/until we got the house repainted."
7.ConjunctionBefore (a condition becoming true).