Select the word which means the same as the group of words given.
That which can’t be read.

Correct option is C

The correct one-word for the given group of words is (c) Illegible.
" Illegible" means not clear enough to be read.
Meanings of other options:
· Inaccessible: Unable to be reached.
· Incurable: Not able to be cured.
· Irrelevant: Not connected with or relevant to something.