Crossword Genius

Dubious results upset grasping employers (5)

Ross

I believe the answer is:

users

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

'employers' is the definition.
(I've seen this before)

'dubious results upset grasping' is the wordplay.
'USERS' is hidden backwards within the letters.
But, I'm not sure how this is indicated.

Can you help me to learn more?

(Other definitions for users that I've seen before include "People who take drugs" , "Drug addicts" , "Customers" , "Drug takers" , "Operators" .)

I've seen this clue in The Telegraph.
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