The term "more world-class" implies a high level of excellence or superiority in a particular area. In contrast, antonyms for this term could include words such as average, mediocre, or subpar. These words suggest that the quality of something is not exceptional or outstanding, but rather falls within the range of what is considered normal or ordinary. Other antonyms for "more world-class" might include phrases such as "below par," "inferior," or "less than stellar." Ultimately, the choice of antonym will depend on the context in which the term is being used, and the specific attributes being evaluated.