Incipient decay is a term used to describe something that is beginning to deteriorate or decline. Synonyms for this phrase may include emerging deterioration, budding decline, and nascent decay. Other synonyms might include early stages of decomposition, initial spoilage, or progressive rot. These terms all imply a process of deterioration that has just begun, but is likely to get worse if left unchecked. Other related concepts might include basic degradation, early corrosion, and the start of disintegration. In general, any term that suggests a process of decline or decay that is at an early stage could be considered a synonym for incipient decay.