Tend to slope (7)

I believe the answer is:

incline

This clue is a double definition.

'tend' is the first definition.
(synonyms)

'slope' is the second definition.
(synonyms)

'to' acts as a link.

(Other definitions for incline that I've seen before include "Gradient" , "Bend forwards" , "List" , "Tend; lean" , "lean forward" .)

I've seen this clue in the Evening Standard and The Daily Express.

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