1. having no legal or binding force; invalid.
"the establishment of a new interim government was declared null and void"
2. having or associated with the value zero.
THIS ALBUM WAS SECRETLY MADE TO INSURE THAT THE ███ ████ AGENCY DOES NOT GET THEIR HANDS ON THESE RECORDINGS. IT IS ILLEGAL AND DANGEROUS FOR THESE SONGS TO BE PLAYED OUT TO THE PUBLIC. LISTENING ADVISORY IS REQUIRED AT YOUR OWN RISK.