unbefriended

From un- +‎ befriended.

unbefriended (comparative more unbefriended, superlative most unbefriended)

1. Not befriended; lacking friends.
   • [1889 January], Rudyard Kipling, “The Education of Otis Yeere. II. Showing What was Born of the Great Idea.”, in Under the Deodars (A. H. Wheeler & Co.’s Indian Railway Library; no. 4), Allahabad, Uttar Pradesh: A[rthur] H[enry] Wheeler & Co.; London: Sampson Low, Marston, Searle, & Rivington, […], →OCLC, page 18:

     I found him, lonely and unbefriended, the very next night after our talk, at the Dugald Delane's dinner.

• unbefriending