Crossword Genius

Chocolate after Colin passes out is elementary (8)

Ross

I believe the answer is:

inchoate

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'is elementary' is the definition.
(thesaurus)

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(Other definitions for inchoate that I've seen before include "Undeveloped" , "Rudimentary, not fully formed" , "Action he took having just begun" , "Only half-formed" , "at an early stage" .)

I've seen this clue in The Guardian.
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