Be/live in dread of is a phrase that describes the feeling of intense fear or worry about something that may happen. If you are looking for synonyms of this phrase, there are plenty of options to choose from. For instance, you can use the terms 'fear', 'anxiety', 'apprehension', 'uneasiness', or 'terror' to convey a similar sense of dread. Other synonyms include 'horror', 'terrorize', 'intimidate', 'threaten', or 'menace'. Additionally, you may use 'frighten', 'scare' or 'terrify' to express a similar kind of fear or apprehension. Whatever the case, you can always find the right synonym to describe your sense of unease or anxiety.