Inferred Meaning
Synonym Clues
Antonym Clues
Use it in a Sentence
100

The need to protect environment has been getting a lot media attention. What does environment mean?

the surroundings or conditions in which a person, animal, or plant lives. 

100

We should recycle paper and plastic to save resources. What is the synonym of recycle?

reuse, reprocess

100

The summer heat is getting stronger each year.  What is the antonym of heat?

cold, chill

100

Habitat

Example: The forest is the habitat of many species. 

200

The panda is an endangered specie. What does endangered mean?

seriously at risk of extinction.

200

Air pollution makes it hard to breathe. What does pollution mean?

contamination, dirtiness

200

Heavy rain caused a flood in the village. What is the antonym of flood?

drought, dryness

200

Smog

Example: City smog affects people’s health. 

300

We should prevent littering in the park. What does prevent mean?

keep (something) from happening

300

Using solar energy promotes environmental sustainability. What is the synonym of sustainability?

Eco-friendliness

300

Deforestation leads to loss of animal habitats. What is the antonym of deforestation?

afforestation, reforestation

300

Global warming

Example: Global warming is causing glaciers to melt. 

400

Cars produce a lot of harmful emissions. What does emission mean?

the production and discharge of something, especially gas or radiation.

400

There is an international agreement to fight climate change. What is the synonym of international?

global

400

Destroying the forest harms the ecosystem. What is the antonym of ecosystem? 

wasteland, barren land

400

Urbanization

Example: Urbanization is causing habitat loss for many species. 

500

Conservation of water is very important. What does conservation mean?

prevention of wasteful use of a resource.

500

A conservationist works hard to protect wildlife. What is the synonym of conservationist?

environmental activist

500

Burning fossil fuels releases carbon dioxide into the air. What is the antonym of fossil fuel?

renewable energy (solar, wind)

500

Sustainability

Example: Using solar energy promotes environmental sustainability.