In (2,4)
(Other definitions for fashionable that I've seen before include "What's in" , "A la mode" , "Trendy" , "Modish" .)
'in' is the definition.
(someone at home is 'in')
This is all the clue.
(Another definition for athome that I've seen is " reception".)
(Other definitions for amidst that I've seen before include "contained" , "Surrounded by" , "In the thick of" , "Central" , "Admits (anag.)" .)
'in' is the definition.
('in' can mean trendy or fashionable)
This is all the clue.
(Other definitions for trendy that I've seen before include "Consciously fashionable" , "Cool" , "In vogue" , "Fashionable, in style" , "In accordance with the latest fad" .)
'in' is the definition.
('in' can mean popular or trendy)
This is all the clue.
(Other definitions for popular that I've seen before include "Liked or admired by many" , "Pleasing to many" , "Widely admired" , "Hot" , "In demand" .)
'in' is the definition.
(someone at home is 'in')
This is the entire clue.
(Other definitions for at home that I've seen before include "In (for a party?)" , "Familiar with" , "In one's own house" , "celebration" , "Where one lives" .)