the time between (preposition) during: concurrently with an activity, event
Sinonime: all along, all the while,
amid,
as, at the same time as, at the time, for the time being, in the course of, in the interim, in the meanwhile, in the middle of, in the time of,
meanwhile, mid,
midst,
over,
pending, the time between, the whole time,
throughout,
until,
when,
while