Planet in fear, threatened (5)

I believe the answer is:

earth

'planet' is the definition.
(Earth is an example)

'in fear threatened' is the wordplay.
'in' indicates the answer is hidden within the clue.
'EARTH' is hidden in the letters of 'fear threatened'.

(Other definitions for earth that I've seen before include "Third planet from the Sun" , "hideaway" , "Badger or fox burrow" , "The 3rd planet from the sun" , "It is necessary to clear" .)

I've seen this clue in The Times.

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