time-consuming

(1)  Only charities and non-profits should ask for unpaid workers to staff their operations or undertake time-consuming projects.

Yes, I am familiar with people asking me to do time-consuming projects for free—I get at least one such request every day.

Garry says the biggest problem with this test is in its high-tech, time-consuming method.

So, he has to deal with what will inevitably be time-consuming and complicated legal wrangling.

Therapy is not only time-consuming, but inherently expensive.

Yet the rigorous application of the method is time-consuming and life is short.

It is a time consuming method and with wet mixtures it has nothing to recommend it.

Thus the men were at this time consuming nearly double the Chittenden allowance.

Chasing after Venus, after coming back to its orbit, could be done, but it would prove time-consuming and difficult to plan.

They could not chance a collision with one of these—yet to work out the whereabouts of all of them was impossibly time-consuming.