underacknowledged

under- +‎ acknowledged

underacknowledged (comparative more underacknowledged, superlative most underacknowledged)

1. Having received insufficient acknowledgement.
   • 2009 May 8, Holland Cotter, “Where the Ocean Meets the Catskills”, in New York Times‎:

     Dedicated to the many women who had been underacknowledged presences at the university since the 19th century, the stone was carved with an open-ended spiral of numbers, each marking the enrollment of women in the university in a given year, with 1969 footnoted: “Yale admitted women into the undergraduate college.”