illiterate

adjective
1
not knowing how to read or write
بی‌سواد
opposite literate
2
badly written, as if by somebody without much education
ابتدايی‌نوشت, ناشیانه نوشته شده
Many of the application forms we received were virtually illiterate.
That morning I received a somewhat illiterate letter from my client.
3
not knowing very much about a particular subject area
نا آگاه, ناوارد
computer illiterate
musically illiterate
The population was politically illiterate and easily manipulated.
noun
1
a person who is illiterate
بی‌سواد