torpidity

/tɔrˈpɪdəti/
noun
  1. The state or quality of being slow, inactive, or lacking energy; sluggishness.
    • His torpidity during the meeting suggested he hadn't slept well.
    • The animal's torpidity in winter helps it conserve energy.
    • The torpidity of the students after lunch made the teacher worry about their attention.
Antonyms