average vs lackluster

average

adj
  • Not outstanding, not good, banal; bad or poor. 

  • Neither very good nor very bad; rated somewhere in the middle of all others in the same category. 

  • Constituting or relating to the average. 

  • Typical. 

verb
  • To divide among a number, according to a given proportion. 

  • Over a period of time or across members of a population, to have or generate a mean value of. 

  • To compute the average of, especially the arithmetic mean. 

  • To be, generally or on average. 

noun
  • Financial loss due to damage to transported goods; compensation for damage or loss. 

  • The arithmetic mean. 

  • Any measure of central tendency, especially any mean, the median, or the mode. 

  • An indication of a player's ability calculated from his scoring record, etc. 

  • Customs duty or similar charge payable on transported goods. 

  • In the corn trade, the medial price of the several kinds of grain in the principal corn markets. 

  • Proportional or equitable distribution of financial expense. 

lackluster

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

  • Having no shine or lustre; dull. 

  • Lacking brilliance or intelligence. 

noun
  • Lack of brightness or points of interest. 

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

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