mediocre

Adjective

• poor to middling in quality
  • there have been good and mediocre and bad artists
    

• lacking exceptional quality or ability
  • a novel of average merit
    
  • only a fair performance of the sonata
    
  • in fair health
    
  • the caliber of the students has gone from mediocre to above average
    
  • the performance was middling at best
    

• moderate to inferior in quality
  • they improved the quality from mediocre to above average
    

Related words

• Synonyms: 
  average , fair , middling , second-rate