il·lit·er·a·cy 
/ɪˈlɪtərəsi/ noun
plural il·lit·er·a·cies /ɪˈlɪtərəsi/ noun 1 [noncount] : the state of not knowing how to read or write
▪ the government's efforts to reduce illiteracy 2 [noncount] : the state of not having knowledge about a particular subject
▪ scientific illiteracy [=lack of knowledge about science] ▪ cultural illiteracy ▪ computer illiteracy 3 [count] : a mistake that is made in the use of language : an illiterate statement or expression
▪ His letters contain many misspellings and illiteracies.
▪ the government's efforts to reduce illiteracy
▪ scientific illiteracy [=lack of knowledge about science] ▪ cultural illiteracy ▪ computer illiteracy
▪ His letters contain many misspellings and illiteracies.
