From un- + frequented.

unfrequented

1. Not frequented.
   • c. 1590–1591 (date written), William Shakespeare, “The Two Gentlemen of Verona”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC ↗, [Act V, scene iv]:

     This shadowy desert, unfrequented woods,
     I better brook than flourishing peopled towns:

   • 1749, Henry Fielding, chapter 15, in The History of Tom Jones, a Foundling, volume (please specify |volume=I to VI), London: A[ndrew] Millar, […], →OCLC ↗, book 8, page 182 ↗:

     As my Walks are all by Night, I am pretty secure in this wild, and unfrequented Place from meeting any Company.

   • 1851 November 13, Herman Melville, chapter 126, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, →OCLC ↗, page 577 ↗:

     Making so long a passage through such unfrequented waters, descrying no ships, and ere long, sideways impelled by unvarying trade winds, over waves monotonously mild; all these seemed the strange calm things preluding some riotous and desperate scene.