The term "suspected obstruction" refers to a situation in which someone or something is believed to be preventing or hindering some kind of activity or process. There are a number of synonyms that can be used to describe suspected obstruction, including impediment, hindrance, obstacle, barrier, blockage, and interference. Each of these words emphasizes a slightly different aspect of the situation, but they all convey the sense that something is getting in the way and making it difficult for something else to proceed as it should. By using these synonyms, writers and speakers can add precision and nuance to their descriptions of suspected obstruction and help their audiences understand the nature and implications of such obstacles.