Rivulose is a relatively uncommon word that describes something that is full of small streams or rivulets. If you are searching for synonyms, you will find that there are other words that you can use in place of rivulose depending on the context of your writing. Some of these synonyms include watered, watery, runneled, rivery, and streamy. These words all describe something that is either full of water, or that has many small streams or rivulets flowing through it. When looking for synonyms for rivulose, it's important to consider the tone and meaning of the text, as some synonyms may be more figurative than literal.