The article focuses on the assumption that it is worth getting interested in sociological concepts in the spirit of sociology of sociology. It happens that biographies of sociological concepts themselves are interesting. Above all, however, they tell a lot on the more general mechanisms, which construct the field of sociology-science. The basic part of the article focuses on unlucky concepts: (1) concepts which diverged from their original theoretical context, (2) concepts which started functioning as summaries of theories (at a loss for the concepts and summarized theories) and (3) concepts which have been promising as tools for analysis and description of the social world, but have never been included in the dictionary of key sociological terms as they were “killed” by endless discussions on their status and usefulness. The attempt to examine the history of (selected) unlucky concepts has two goals: first, recognizing mechanisms pushing sociology-science out of the field; second, identification of some development barriers of contemporary sociology.