There are several synonyms for the phrase "time delays" that can be used depending on the context. Some of the synonyms include "latency," "waiting period," "hold-up," "lag," "slowdown," "pause," and "interval." These terms are often used in situations where there is a delay in getting things done or completing a task. For instance, if you are experiencing a delay in receiving a product you ordered online, you can say that there is a waiting period or hold-up. Similarly, if a project is taking longer time to complete than expected due to unforeseen circumstances, you might describe it as experiencing a time delay or a slowdown.