The term 'more eerie' can be described by four crossword solutions: CREEPIER (8 letters), SPOOKIER (8 letters), odder (5 letters), and uncannier (9 letters). CREEPIER means to cause a feeling of fear or unease, while SPOOKIER implies something supernatural or mysterious. Odder suggests something strange or unusual, and uncannier implies something that is difficult to explain or understand. All of these words together describe the term 'more eerie, ' which is a feeling of fear or unease that is strange, mysterious, and difficult to explain.