The phrase "in all directions" can be substituted with a variety of synonyms that convey the same meaning. For instance, "everywhere" is a straightforward replacement that denotes the spread or dispersion of something in a multitude of places. Similarly, "all over" conveys a sense of pervasiveness or ubiquity, signaling that something is found throughout a given area or situation. Other possible options include "far and wide," which suggests a broad scope that extends across many different regions or territories, and "throughout" which emphasizes the comprehensiveness of the coverage. Overall, these various synonyms can help to diversify the language and tone of writing or speech, offering readers or listeners a more nuanced way to express the same basic idea.