The term 'less important' can be described by a variety of words, such as INFERIOR (8 letters), MINOR (5 letters), SLIGHTER (8 letters), punier (6 letters), and SMALLER (7 letters). INFERIOR means lower in rank or quality than something else, while MINOR implies something of lesser importance. SLIGHTER is a synonym for less significant, and punier suggests something that is weaker or less powerful. Finally, SMALLER implies something that is not as large or extensive. All of these words can be used to describe something that is less important than something else.