Nocturnals are creatures that come alive at night. They could be used to describe animals, plants or even humans that are active during the night and sleep during the day. When searching for synonyms of nocturnals, one could consider terms such as "night owls," "nocturnal beings," or "night creatures." Other words could include "night dwellers," "night workers," or "night shifters." These words give an accurate description of creatures that are active at night and would be useful for descriptive writing. No matter the context, using synonyms for 'nocturnals' can add depth and clarity to your writing.