Definition of "soulful"

soulful¹

/ˈsoʊlfəl/

adjective
comparative more soulful, superlative most soulful
1. Full of emotion and vigor.
2. Full of soul.

soulful²

noun
plural soulfuls or soulsful
1. Enough to fill one's soul.
  Quotations
  At Sebago we hauled in Perch and whole soulfuls of lovely scenery.
  1958 September, Edwin D. Merry, “Float plane trolling”, in Flying Magazine, volume 63, number 3, page 35
  Bodiless soulsful of mud / Gurgled and settled down;
  1961, America Sings, page 122
  He grabbed his chin and went off to brood in a dark corner of Godel's office, then swished into space, hopping from planet to planet like someone walking off a soulful of problems.
  2008, Joseph Wechsler, Look, Ma!: Stories with Points to Ponder, page 174
  Could anyone use a strong dose of self-discipline? How about a heaping soulful of joy?
  2014, Beth Moore, Portraits of Devotion, page 304