- null, void - lacking any legal or binding force; "null and void"
Antonym: valid (indirect, via invalid)
- void - containing nothing; "the earth was without form, and void"
Antonym: full (indirect, via empty)
- invalidator, voider, nullifier - an official who can invalidate or nullify; "my bank check was voided and I wanted to know who the invalidator was"
--1 is a kind of official, functionary
Derived form: verb void1 - defecator, voider, shitter - a person who defecates
--2 is a kind of person, individual, someone, somebody, mortal, human, soul
Derived form: verb void4 - voider, gusset - a piece of chain mail covering a place unprotected by armor plate
--3 is a kind of chain mail, ring mail, mail, chain armor, chain armour, ring armor, ring armour
--3 is a part ofbody armor, body armour, suit of armor, suit of armour, coat of mail, cataphract - clothes hamper, laundry basket, clothes basket, voider - a hamper that holds dirty clothes to be washed or wet clothes to be dried
--4 is a kind of hamper