The phrase "is widespread" conveys the idea that something exists or occurs in many places or among a large number of people. There are several synonyms that capture this same meaning, such as "is prevalent," "is extensive," "is ubiquitous," "is pervasive," and "is rampant." Each of these synonyms suggests a widespread presence or occurrence of something. "Is prevalent" suggests something is widely established and commonly found. "Is extensive" implies something covers a large area or is vast in scope. "Is ubiquitous" indicates something is found everywhere. "Is pervasive" suggests something is widespread and has a strong influence. Lastly, "is rampant" implies something is unchecked and spreading rapidly.