Clearly (10)
'clearly' is the definition.
(I know that clearly can be written as distinctly)
This is all the clue.
(Another definition for distinctly that I've seen is " Clearly".)
'clearly' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for limpidly that I've seen before include "clearly" , "calmly" .)