Improper, inappropriate (8)

I believe the answer is:

unseemly

I believe this clue is a double definition.

'improper' is the first definition.
(similar in meaning)

'inappropriate' is the second definition.
(I've seen this before)

(Other definitions for unseemly that I've seen before include "Unbecoming, not fitting" , "Unbecoming, impolite" , "Disreputable" , "Inappropriate" , "Indecent" .)

I've seen this clue in The Times.

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