null
1. [ adjective ] (law) lacking any legal or binding force
Synonyms: void nugatory
Examples:

"null and void"

Related terms: law invalid
2. [ noun ] Last name, frequency rank in the U.S. is 4509
3. [ noun ] a quantity of no importance
Synonyms: nothing zero naught goose_egg nada cipher nix zip nil zilch cypher aught
Examples:

"it looked like nothing I had ever seen before" "reduced to nil all the work we had done" "we racked up a pathetic goose egg" "it was all for naught" "I didn't hear zilch about it"

Related terms: relative_quantity nihil bugger_all zero
Similar spelling:   nullah