Crossword Genius

Greed is a tricky object (8)

Ross

I believe the answer is:

disagree

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'object' is the definition.
The answer and definition can be both to do with communicating as well as being verbs in their base form.
Perhaps they are linked in a way I don't understand?

'greed is a tricky' is the wordplay.
'tricky' is an anagram indicator.
'greed'+'is'+'a'='greedisa'
'greedisa' with letters rearranged gives 'DISAGREE'.

Can you help me to learn more?

(Other definitions for disagree that I've seen before include "Have words" , "Differ, argue" , "Have conflicting opinions" , "Row" , "Take a different view" .)

I've seen this clue in The Sun.
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