Precise English — Times to take action (5)
I believe the answer is:
exact
'precise' is the definition.
('exact' is associated in meaning with 'precise')
'english times to take action' is the wordplay.
'english' becomes 'e' (abbreviation).
'times' becomes 'x' (multiplication sign).
'to take action' becomes 'act' ('act' can be a synonym of 'take action').
'e'+'x'+'act'='EXACT'
(Other definitions for exact that I've seen before include "correct in every detail" , "Precise - demand" , "totally accurate" , "Force out" , "Precisely accurate" .)