There are several synonyms that can be used in place of the term "noncommercial libraries." Some alternative expressions include community libraries, public libraries, or municipal libraries. Another term that can be used is reference libraries, which typically offer resources for research purposes and do not operate for commercial gain. Some other common expressions for noncommercial libraries include free libraries, lending libraries, and independent libraries. Additionally, academic libraries and school libraries are noncommercial in nature, as they do not make a profit from the materials and services they offer. Regardless of the term used, these institutions all serve a vital role in bringing knowledge and information to the public at no cost.