Unrest in essence coming after time for speaking out (7)

I believe the answer is:

turmoil

I'm a little stuck... Click here to teach me more about this clue!

'unrest' is the definition.
(thesaurus)

I can't explain the rest of the clue.

(Other definitions for turmoil that I've seen before include "Uproar" , "Violent commotion" , "State of great commotion or disturbance" , "upset" , "State of great disturbance or confusion" .)

I've seen this clue in The Times.

Want a hint initially instead of a full solution? Install my app