D defs.my
Entry 3 senses Webster, 1913

Painful

/pān'-fəl/ · Pain·ful · IPA /ˈpeɪn.fl̩/
01 a. Full of pain; causing uneasiness or distress, either physical or mental; afflictive; disquieting; distressing.
  1. 1.
    Full of pain; causing uneasiness or distress, either physical or mental; afflictive; disquieting; distressing.
  2. 2.
    Requiring labor or toil; difficult; executed with laborious effort; as a painful service; a painful march.
  3. 3.
    Painstaking; careful; industrious.[Obs.]
    “A very painful person, and a great clerk.” Jer. Taylor.
    “Nor must the painful husbandman be tired.” Dryden.