This is the 5098th most frequent Japanese word.
読め
"読め" means "read" (imperative form).
The word '読め' is used as a negative potential form of the verb '読む' (to read), indicating the inability to read something.
その漢字が読めない。
I cannot read that kanji.
Here, '読める' is used as the affirmative potential form of '読む,' expressing the ability to read faster by practice.
もっと早く読めるように練習します。
I will practice to be able to read faster.
In this sentence, '読め' is in the imperative form, used to give or reference a command to read something.