The phrase "extending everywhere" can be interpreted in various ways, depending on the context. Some synonyms for this phrase might include "pervasive," "ubiquitous," "omnipresent," "all-encompassing," or "widespread." These words indicate something that is present or affecting all areas or aspects of a particular situation. Another synonym for this phrase might be "proliferating," which suggests something spreading rapidly or extensively across a given landscape. Alternatively, the phrase "extending everywhere" could refer to something that is physically stretching out across a given space, in which case synonyms might include "stretching," "extending," "spreading," or "reaching".