unsolicited

adj

1. Not requested; neither welcomed nor invited.

   “People have become very frustrated with unsolicited sales calls.”

   “In America alone, people spent $170 billion on “direct marketing”—junk mail of both the physical and electronic varieties—last year. Yet of those who received unsolicited adverts through the post, only 3% bought anything as a result.”

   “Mr. Hankwitz’s endorsement of Betterment was unsolicited, but the power of so-called finfluencers like him has not gone unnoticed.”