Crossword Genius

On end (7)

Ross

I believe the answer is:

endways

'on end' is the definition.
(thesaurus)

This is the entire clue.

(Other definitions for endways that I've seen before include "Not side on" , "as a departing bus is seen" , "Lengthwise" , "Turned up" , "Not sideways/lengthways" .)

I've seen this clue in The Times.
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