Emphasise instruction to student for improving ungrammatical essay? (9)
I believe the answer is:
punctuate
'emphasise' is the definition.
(synonyms)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for punctuate that I've seen before include "Insert full stops, commas, etc in (text)" , "Regularly interrupt" , "Add marks to text" , "Interrupt periodically" .)