Loamier is an adjective that describes something as having more loam, which is a type of soil that is rich in organic matter and nutrients. Synonyms for the word 'loamier' could include terms such as richer, more fertile, or more productive. Loamier soil is highly desirable for gardening and agriculture, as it can support healthy plant growth and produce high yields of crops. Other synonyms for the term 'loamier' may include words such as richer, fuller, and more nutrient-dense. Whatever the word choice may be, the implication is that the soil is highly beneficial for plant growth and farming endeavors.