painfulness
noun
- state of either physical or emotional suffering, distress, or discomfort caused by pain
Wiktionary
noun
Etymology: From Middle English peynfulnes, peynfulnesse, equivalent to painful + -ness.
- The state or quality of being painful, of causing pain.
- The state or quality of being tedious, of requiring great care.
“Near-synonyms: tediousness, laboriousness”