paperbound adjective 2noun 1forms 3 adjective2 •Having flexible covers; paperback; softcovered.Last week in collaboration with his longtime associate, Frederick Shelton, Editor Kiplinger published a paperbound booklet called Inflation Ahead!—What to do about it. — 1935 •Involving or burdened by excessive administrative requirements, especially in the form of paperwork.The company has turned to In Touch to automate what had been a paperbound process. — 1995 noun1 •(old-fashioned) A paperback book. formspaperbounds · more paperbound · most paperbound