English edit

Etymology 1 edit

smile +‎ -ful

Adjective edit

smileful (comparative more smileful, superlative most smileful)

  1. Full of smiles.

Etymology 2 edit

smile +‎ -ful

Noun edit

smileful (plural smilefuls or smilesful)

  1. A quantity revealed by a smile.
    • 2001, Michelle Beaudry, The Slam Club: How to Stop Miserable People from Making You Miserable:
      ...it seems to make sense, yet it is all dimly disturbing and oddly unsatisfying, a great confusing wad of misdirection oozing out of a smileful of charm.
    • 2005, C. Justin Romano, The Gathering:
      Leitzia flashed a smileful of spite at the stunned knight.
    • 2016, Robin Morgan, Dry Your Smile: A Novel:
      Then he flashed me a smileful of teeth.