Long waits can be frustrating, especially when you have a lot to do. Thankfully, there are many synonyms for this phrase that you can use to better express your feelings. Here are a few examples: extended delays, prolonged periods of waiting, drawn-out intervals, protracted holds, lasting halts, lingering stoppages, enduring waits, prolix pauses, continuous standstills, perpetuating waits, ceaseless lulls, persistent waits, and ongoing delays. All of these terms convey the same idea of waiting for extended periods, but each has a slightly different connotation or emphasis, so choose the one that best suits your needs.