From Longman Dictionary of Contemporary Englishpoor relationpoor relationBritish EnglishFAIL someone or something that is not treated as well as other members of a group or is much less successful than they arepoor relation of Theatre musicians tend to be the poor relations of the musical profession. → poor
Examples from the Corpus
poor of• In the considered opinion of many experts this poor relation of the industry will probably take 80% of the market by volume. 