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