unprofited

From un- +‎ profited.

unprofited (comparative more unprofited, superlative most unprofited)

1. profitless
   • c. 1601–1602 (date written), William Shakespeare, “Twelfe Night, or What You Will”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act I, scene iv]:

     Be clamorous and leap all civil bounds rather than make unprofited return.

   • 1797-1817, Samuel Taylor Coleridge, The Destiny of Nations

     Ah! why , uninjured and unprofited,
     Should multitudes against their brethren rush ?

• “unprofited”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.