1. Tolerable, fair, mediocre: Mrs. Smart told Jim, her student, that his test was not excellent, but average and passable.
2. Able to be traversed, crossed, or traveled on: The snowplows had already been through the town, so all the roads and streets were passable and clear for cars and not blocked.
3. Suitable to be freely distributed: The newly manufactured coins from the mint were all passable for the public.