Saprobic is an adjective that describes the way in which fungi or bacteria obtain their nutrition from dead or decaying matter. As a scientific term, it may not be familiar to everyone. However, there are many synonyms available to describe similar concepts. For instance, the word saprophage refers to organisms that feed on decaying matter. Putrefactive relates to decomposition and rotting of organic material. Decomposer indicates something that breaks down organic matter. Another synonym could be necrotrophic, which refers to organisms that derive nourishment from dead or dying matter. All of these words can be used interchangeably to describe the same concept of obtaining sustenance from decaying organic matter and are commonly used in scientific contexts.