sparser

/S P AA1 R S ER0/
adjective
  1. 1

    Having widely spaced intervals.

    โ€œa sparse array, index, or matrixโ€

  2. 2

    Not dense; meager; scanty

  3. 3

    Having few nonzero elements

Source: https://en.wiktionary.org/wiki/sparse, https://en.wiktionary.org/wiki/sparser