The term 'not homogeneous' refers to something that is not uniform or consistent in composition. This can be described using the crossword solutions of 'MIXED' (5 letters), 'RAGTAG' (6 letters), and 'VARIOUS' (7 letters). MIXED implies a combination of different elements, RAGTAG suggests a disorderly or disorganized mixture, and VARIOUS implies a wide range of different elements. Together, these words provide an accurate description of something that is not homogeneous.