Tiniest bit (4)
'tiniest bit' 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, slightest" , "Smallest part" , "Lowest or smallest" , "Minimum" , "No more petty" .)
'tiniest bit' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for iota that I've seen before include "Greek letter - minimal amount" , "little part" , "Tiny or scarcely detectable amount" , "A little piece" , "Gr. letter; small amount" .)