unzipper noun 1verb 1forms 3 noun1 •A program that extracts files from compressed archives.The problem is that you may not have the necessary unzipper. — 1992 verb1 •To unzip.He unzippers his fly, but he does not ask Mae to come to him as Lloyd did in scene 1. — 1998 formsunzippered · unzippering · unzippers