Meaning of NULL in English

NULL

adjective

having no legal or binding force or validity

a null ballot

Synonyms: bad, invalid, null and void, void

Related Word: ineffective, ineffectual, inefficacious, useless, worthless

Contrasted words: acceptable, good, valid

Merriam Webster. Collegiate thesaurus English vocabulary.      Английский энциклопедический словарь тезаурус.