Tangential remark (5)

I believe the answer is:

aside

(Other definitions for aside that I've seen before include "Quiet words spoken" , "Away from main action" , "secretly" , "Whispered comment" , "(Turn) off main path" .)

I've seen this clue in the New York Times, the Thinks.com, the Wall Street Journal, the King Feature Syndicate and the Ink Well xwords.

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