Beside (5)
'beside' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for along that I've seen before include "With a forward motion: in accompaniment" , "Lengthwise" , "From one end to the other" , "Forward - in a line" , "Moving in a constant direction on (something)" .)
'beside' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for next to that I've seen before include "Alongside" , "Almost" , "On the side of" .)