Make wider (6)
'make wider' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for broaden that I've seen before include "Widen" , "Make more general" , "Extend" , "Make wide or liberal, perhaps the mind" , "In one direction, expand" .)
'make wider' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for dilate that I've seen before include "Widen, spread out" , "Become wider or larger as eye pupils may" , "Enlarge or widen, like pupils perhaps" , "explain more fully" , "Become wider or more open" .)