for the duration

all over all the time all through around at full length completely during every bit everyplace everywhere far and near far and wide from beginning to end from end to end from one end to the other from start to finish from the start from the word go high and low in all respects in every place in everything inside and out on all accounts over overall right through round the whole time through the whole of to the end up and down

interim

interregnum interruption interval meanwhile recess while

at the same time concurrently for now for the moment for then in the interim in the interval in the meanwhile simultaneously

meantime till

ad interim concurrently during the interval for now for the moment for the time being for then in the interim in the interval in the intervening time in the meantime simultaneously until up to when