Most minimal (5)

I think it could be either:

Which length description are you looking for?:

least

'most minimal' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for least that I've seen before include "Smallest in amount or degree" , "Bottom" , "Smallest part" , "Smallest in extent" , "Most unimportant" .)

I've seen this clue in the Penny Press.

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