Crossword Genius

Forceful policemen holding loads up (7)

Ross

I believe the answer is:

dynamic

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

'forceful' is the definition.
(similar in meaning)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for dynamic that I've seen before include "Very active" , "Vigorous and effective" , "Having power" , "Full of energy and ideas" , "Vigorous and go-ahead" .)

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