The phrase "spin something out" generally means to prolong or stretch out a process or situation beyond what is necessary or reasonable. Its antonyms would be words or phrases that convey the opposite meaning, such as abbreviate, shorten, condense, or streamline. These words indicate a desire to expedite, simplify, or optimize a process or situation, rather than allowing it to drag on. Using these antonyms can help communicate the idea of efficiency, productivity, and quickness. For instance, instead of spinning out a report or project, one can aim to condense it, make it more concise, or cut down on unnecessary steps or details.