Needing company (6)
I believe the answer is:
lonely
'needing company' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for lonely that I've seen before include "Forlorn, solitary" , "Missing company" , "Isolated" , "'I wandered ..... as a cloud' Wordsworth )" , "Unfrequented" .)