pockmarked

Etymology

verb

1. simple past and past participle of pockmark

adj

1. having pockmarks
2. pitted, or scarred with holes
   After all the trepidation born of Holland's toils home and away against these opponents in qualification for Euro 2012, and the pockmarked nature of the pitch, this was exposed as a mismatch from the opening exchanges. September 7, 2012, Dominic Fifield, “England start World Cup campaign with five-goal romp against Moldova”, in The Guardian
   For SAC66 is better known as Batty Moss (or Ribblehead) Viaduct - the magnificent, Grade 2-listed, 24-arch structure that strides over the pockmarked ground between Ribblehead station and Blea Moor signal box. May 20 2020, Philip Haigh, “Ribblehead: at the heart of the S&C's survival and its revival”, in Rail, page 26
3. incomplete, lacking, having holes
   The student had, at best, a pockmarked understanding of the subject matter.