Sedate or stuffy (5)

I believe the answer is:

staid

I believe this is a double definition.

'sedate' is the first definition.
(I know that sedate can be written as staid)

'stuffy' is the second definition.
(I've seen this in another clue)

(Other definitions for staid that I've seen before include "Serious or sober in character" , "Conventional (character)" , "Grave, sedate" , "Stuffy, traditional" , "Proper; sedate" .)

I've seen this clue in The Irish Times.

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