Meaning : Any specific behavior.
Example :
They avoided all recreational activity.
Being inactive. Being less active.
inactivityMeaning : The state of being active.
Example :
His sphere of activity.
He is out of action.
Synonyms : action, activeness
Meaning : An organic process that takes place in the body.
Example :
Respiratory activity.
Synonyms : bodily function, bodily process, body process
Meaning : (chemistry) the capacity of a substance to take part in a chemical reaction.
Example :
Catalytic activity.
Meaning : A process existing in or produced by nature (rather than by the intent of human beings).
Example :
The action of natural forces.
Volcanic activity.
Synonyms : action, natural action, natural process
Meaning : The trait of being active. Moving or acting rapidly and energetically.
Example :
The level of activity declines with age.
Synonyms : activeness
A disposition to remain inactive or inert.
He had to overcome his inertia and get back to work.