0 a lack of the ability to read and write: --
In the rural areas, illiteracy is widespread.
Teachers and other professionals are taking part in a campaign to eradicate illiteracy.
My scientific illiteracy was about to be exposed.
Geographic illiteracy is a problem that only can be tackled by making the subject more interesting to students.
1 the fact of being unable to read and write: --
adult illiteracy
The government is trying to combat high rates of illiteracy.
2 a situation in which someone knows little or nothing about a particular subject: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.