The word "unhomogeneous" refers to a lack of uniformity or consistency. Synonyms for this term include "heterogeneous", "diverse", "assorted", "variegated", "multifarious", and "mixed". These words describe objects, people, or ideas that have a range of differences or variations within them. For example, a diverse group of individuals might come from different cultural backgrounds or have different professional experiences. An assorted collection of objects might include items of various sizes, colors, or materials. By using these synonyms, you can add variety and nuance to your writing while accurately conveying the concept of non-uniformity.