Crossword Genius

Drunk ends your beginning (5)

Ross

I believe the answer is:

tipsy

'drunk' is the definition.
(thesaurus)

'ends your beginning' is the wordplay.
'ends' becomes 'tips' (tip is a kind of end).
'beginning' suggests taking the first letters.
The initial letter of 'your' is 'y'.
'tips'+'y'='TIPSY'

(Other definitions for tipsy that I've seen before include "Slightly intoxicated" , "Loaded" , "Inebriated" , "1 over 8" , "Rather drunk" .)

I've seen this clue in The Independent.
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