Portending tragedy (7)

I believe the answer is:

ominous

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

This is all the clue.

(Other definitions for ominous that I've seen before include "Menacing, sinister" , "US moon I find threatening" , "Threatening, foreshadowing something bad" , "Inauspicious" , "Foreboding, menacing" .)

I've seen this clue in the Irish Times (Simplex) and The Irish Times.

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