Antonyms of noun inactiveness

2 senses of inactiveness

Sense 1
inaction, inactivity, inactiveness -- (the state of being inactive)
       Antonym of activeness (Sense 1)
      => action, activity, activeness -- (the state of being active; "his sphere of activity"; "he is out of action")

Sense 2
inactiveness, inactivity, inertia -- (a disposition to remain inactive or inert; "he had to overcome his inertia and get back to work")
       Antonym of activeness (Sense 2)
      => activeness, activity -- (the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun inactiveness

2 senses of inactiveness

Sense 1
inaction, inactivity, inactiveness -- (the state of being inactive)
       => state -- (the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state")

Sense 2
inactiveness, inactivity, inertia -- (a disposition to remain inactive or inert; "he had to overcome his inertia and get back to work")
       => trait -- (a distinguishing feature of your personal nature)

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