na-adjective, noun which may take the genitive case particle 'no', noun
nonexistent; nothing at all; completely lacking
Emphatic word meaning that something is entirely absent. Often used in formal or written contexts. The gloss 'bugger-all' is vulgar slang and should be used with caution.
彼の話には証拠が皆無だ。
There is absolutely no evidence for his story.
この地域では犯罪は皆無に等しい。
Crime is virtually nonexistent in this area.