busyness

Noun busyness has 1 sense

• busyness(n = noun.state) hum - the state of being or appearing to be actively engaged in an activity; "they manifested all the busyness of a pack of beavers"; "there is a constant hum of military preparation"
is a kind of action, activeness, activity
Derived forms adjective busy₄, adjective busy₁, adjective busy₅