activity

(n) any specific behavior
- they avoided all recreational activity
(n) the state of being active
- his sphere of activity
- he is out of action
activeness, action,
(n) an organic process that takes place in the body
- respiratory activity
bodily function, bodily process, body process,
(n) (chemistry) the capacity of a substance to take part in a chemical reaction
- catalytic activity
(n) a process existing in or produced by nature (rather than by the intent of human beings)
- the action of natural forces
- volcanic activity
natural action, natural process, action,
(n) the trait of being active; moving or acting rapidly and energetically
- the level of activity declines with age
activeness,

activeness action bodily function bodily process body process natural action natural process

inactivity inaction inactiveness inertia

activism activist