Crossword Genius

Activity of oaf, primarily indolent, lazy, no good? (7)

Ross

I believe the answer is:

loafing

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

'activity' is the definition.
The definition and answer can be both acts as well as being singular nouns.
Perhaps there's an association between them I don't understand?

'of oaf primarily indolent lazy no good?' is the wordplay.
'of' indicates anagramming the letters (the answer comes from or 'of' the letters).
'primarily' says to take the initial letters.
'no' becomes 'n' (common abbreviation).
'good?' becomes 'g' (abbreviation).
The initial letters of 'indolent lazy' is 'il'.
'oaf'+'il'='oafil'
'oafil' anagrammed gives 'loafi'.
'loafi'+'n'+'g'='LOAFING'

Can you help me to learn more?

(Other definitions for loafing that I've seen before include "Lazing about" , "Idling, hanging around" , "Being idle" , "not working" .)

I've seen this clue in The Everyman puzzle in The Observer.
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