mediocre
adjective /ˌmiːdiˈəʊkə(r)/
  /ˌmiːdiˈəʊkər/
(disapproving)- not very good; of only average standard
- a mediocre musician/talent/performance
 - I thought the play was only mediocre.
 
Extra Examples- They have replaced a great leader with a mediocre one.
 - The player was under some pressure after some mediocre performances.
 - The use of crampons can make the difference between a mediocre climber and a good one.
 
Oxford Collocations DictionaryMediocre is used with these nouns:- movie
 - performance
 - record
 - …
 
Word Originlate 16th cent.: from French médiocre, from Latin mediocris ‘of middle height or degree’, literally ‘somewhat mountainous’, from medius ‘middle’ + ocris ‘rugged mountain’.