lackluster vs nothingburger

lackluster

noun
  • A person or thing of no particular brilliance or intelligence. 

  • Lack of brightness or points of interest. 

adj
  • Having no shine or lustre; dull. 

  • Not exceptional; not worthy of special merit, attention, or interest; having no vitality. 

  • Lacking brilliance or intelligence. 

nothingburger

noun
  • A person or object that is bland or unremarkable in appearance or impact. 

  • Something of less importance than its treatment suggests. 

  • A person who is a nonentity. 

adj
  • bland or unremarkable in appearance 

  • disreputable, as of a person 

How often have the words lackluster and nothingburger occurred in a corpus of books? (source: Google Ngram Viewer )