Crossword Genius

Upset or cover employment (5)

Ross

I believe the answer is:

rouse

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'upset' is the definition.
The definition and answer can be both to do with motion as well as being verbs in their base form.
Maybe there's an association between them I don't understand?

'cover employment' is the wordplay.
'cover' becomes 'ro' (I can't justify this - if you can you should believe this answer much more).
'employment' becomes 'use' (how something is used).
'ro'+'use'='ROUSE'

'or' is the link.

Can you help me to learn more?

(Other definitions for rouse that I've seen before include "Agitate" , "Activate, wake up" , "Move" , "Cause to wake up and come alert" , "Waken" .)

I've seen this clue in the Sydney Morning Herald.
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