The term 'less clear' can be described by a variety of words, such as smokier (7 letters), vaguer (6 letters), fainter (7 letters), mistier (7 letters), muddier (7 letters), denser (6 letters), and hazier (6 letters). These words all describe a lack of clarity, either in terms of visibility, meaning, or density. Smokier implies a lack of visibility due to smoke, vaguer implies a lack of understanding due to ambiguity, fainter implies a lack of visibility due to dimness, mistier implies a lack of visibility due to fog, muddier implies a lack of clarity due to dirt or mud, denser implies a lack of clarity due to thickness, and hazier implies a lack of visibility due to haze.