Crossword Genius

Great love omitted from last letter (4)

Ross

I believe the answer is:

mega

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

'love omitted from last letter' is the wordplay.
'love' becomes 'o' (love means zero in tennis).
'omitted from' is a deletion indicator.
'last letter' becomes 'omega' (I've seen this before).
'omega' with 'o' removed is 'MEGA'.

(Other definitions for mega that I've seen before include "Smashing" , "wicked" , "Very large (prefix)" , "Great American" , "ace" .)

I've seen this clue in The Guardian.
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