adjectives
noun part 1
mixed 1
verbs /phrasal verbs
mixed 2
100

able to be used again or more than once

reusable

100

a regular journey of some distance to and from one's place of work

commute

100

a structure or place made or chosen by a bird for laying eggs and sheltering its young

nest 

100

cause a liquid to flow from a container into a cup or other vessel

pour out

100

to throw rubbish e.g. on the ground in a public place

drop litter

200

situated far from the main centres of population; distant

remote 

200

a prolonged period of abnormally low rainfall, leading to a shortage of water

drought

200

to break an egg so a baby animal can come out

hatch

200

When our actions cause an animal to feel threatened, and it actively tries to escape from us or change its behaviour

disturb the wildlife

200

 A large amount of activity and work, usually in a noisy surrounding

hustle and bustle

300

impossible to avoid or evade

inevitable 

300

a mass of snow, ice, and rocks falling rapidly down a mountainside

avalanche

300

 taking thought for the comfort and the good of others

thoughtful

300

work really hard, without taking a break

work tirelessly

300

to get rid of sth, throw sth away 

dispose of sth

400

not able to be undone or altered

irreversible

400

a group of people living in the same place or having a particular characteristic in common

community

400

not large in  size or amount, small

modest

400

meet or find someone or something by chance

come across

400

dangerous, risky, bold

perilous

500

 intended to be thrown away after use

disposable

500

a person who lives somewhere permanently or on a long-term basi


resident

500

belonging to, or relating to, a town or city

urban 

500

move out of or away from something and become visible

emerge

500

able to be maintained at a certain rate or level.

sustainable