Word: indispensability

waste time, dally, dawdle, loiter, linger, take one's time, delay, temporize, stall, procrastinate, pussyfoot around, drag one's feet, dither, hesitate, falter, vacillate, waver, hem and haw, shilly-shally, lollygag, let the grass grow under one's feet, tarry, dillydally, shillyshally, drag one's heels