Activity (Noun)

Meaning¹

The trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age".

Classification

Nouns denoting attributes of people and objects.

Examples

The high level of activity in the children's playground was contagious and soon had everyone laughing and playing.
Regular exercise helps maintain a healthy level of physical activity throughout life.
As she grew older, her activity level began to slow down, and she found it harder to keep up with her grandchildren.
The level of mental activity required for this job is extremely high, and not everyone is suited for it.
Athletes need to maintain a high level of physical activity during the off-season to stay competitive.

Synonyms

Activeness

Hypernyms

Trait

Hyponyms

Related Words

Active (adjective)

Meaning²

A process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity".

Classification

Nouns denoting natural processes.

Examples

Increased seismic activity was detected around the volcano in the months leading up to the eruption.
The island's unique geology supports a wide variety of plant and animal life due to its volcanic activity.
Scientists have been studying the solar activity and its effects on the Earth's magnetic field for decades.
The recent increase in plate tectonic activity has resulted in a higher number of earthquakes in the region.
Monitoring ocean acidification rates in conjunction with ocean current activity helps researchers understand climate change.

Synonyms

Hypernyms

Hyponyms

Related Words

Active (adjective)

Meaning³

(chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity".

Classification

Nouns denoting natural processes.

Examples

The high catalytic activity of platinum allows it to be used in car exhausts to reduce pollution.
Researchers are trying to improve the activity of enzymes in detergents to increase their effectiveness at lower temperatures.
The chemical reaction only proceeds quickly if a substance with high activity is added as a catalyst.
At very low temperatures the activity of most catalysts drops sharply.
Catalysts like sulfuric acid increase the activity of a substance, but often pose serious handling hazards.

Hypernyms

Capacity

Related Words

Active (adjective)

Meaning⁴

An organic process that takes place in the body; "respiratory activity".

Classification

Nouns denoting natural processes.

Examples

Brain activity increases significantly during problem-solving tasks.
The doctor measured the patient's neural activity after the injury.
Muscle activity is crucial for maintaining posture and balance.
The researchers studied the digestive activity of different enzymes.
Cardiovascular activity is essential for delivering oxygen to the cells.

Synonyms

Hypernyms

Hyponyms

Related Words

Active (adjective)

Meaning⁵

Any specific behavior; "they avoided all recreational activity".

Classification

Nouns denoting acts or actions.

Examples

They avoided all recreational activity during their winter break from college.
The town's activity center is where most of the locals visit for exercise classes.
Overclocking computer processors results in increased heat generation activity.
The astronomers were tracking unusual sunspot activity in anticipation of a solar flare.
Patient's brain activity slowed significantly after the deep sleep medication took effect.