From Longman Dictionary of Contemporary Englishnobodyno‧bod‧y1 /ˈnəʊbədi $ ˈnoʊbɑːdi, -bədi/  ●●● S1 W2 pronoun  1 PERSON/PEOPLEno one I knocked on the door but nobody answered.2  → like nobody’s business → be nobody’s fool at fool1(5)GRAMMAR: Negatives• Don’t use another negative word such as ‘not’ or ‘nothing’ after nobody. You say: Nobody came.Nobody said anything. ✗Don’t say:  Nobody didn’t come.  | Nobody said nothing.• Don’t use ‘of’ after nobody. ✗Don’t say:  nobody of them  | nobody of his parents • You use none of when talking about a group of people: None of them saw him.• You use neither of when talking about two people: Neither of his parents went to the wedding.• Nobody is written as one word. ✗Don’t write:  no body
                                                    
                                                Examples from the Corpus
nobody• There's nobody home.nobodynobody2 noun (plural nobodies) [countable]  UNIMPORTANTsomeone who is not important and has no influence I was a nothing and a nobody with everything to prove.Examples from the Corpus
nobody• No one wanted to be a nobody, and no one wanted to go home.• Glazer went from being a nobody to being paid $2 million a year to play.• Since the Republicans ran a nobody, Kelly was sure he could have won after all.• He was a nobody in the Philadelphia court.• The bloke is the original no-hit nobody.• How patiently you tangle with wry triangles, clothing the family of nobodies who loiter in our dark. 
