threat (n)
/θret/

a suggestion that something unpleasant or violent will happen, especially if a particular action or order is not followed

waste (a)
/weɪst/

the useless materials, substances, or parts that are left after you use something

conceivable (a)
/kənˈsiː.və.bl̩/

possible to imagine or to believe

doubtful (a)
/ˈdaʊt.fəl/

not feeling certain about something

fruitless (a)
/ˈfruːt.ləs/

producing no good results, especially despite a lot of work

immune (a)
/ɪˈmjuːn/

protected against a particular disease by particular substances in the blood

impracticable (a)
/ɪmˈpræk.tɪ.kə.bl̩/

If a course of action, plan, etc. is impracticable, it is impossible to do in an effective way.

in danger (adv phr)
/ɪn ˈdeɪn.dʒər/

to be in the possibility of suffering harm or injury

liable (a)
/ˈlaɪ.ə.bl̩/

having (legal) responsibility for something or someone

pointless (a)
/ˈpɔɪnt.ləs/

Something that is pointless has no purpose and it is a waste of time doing it.

taxing (a)
/ˈtæk.sɪŋ/

difficult or needing a lot of thought or effort

collection (n)
/kəˈlek.ʃən/

interesting or valuable objects that someone collects

can (v)
/kæn/

to be able to

aluminium (n)
/ˌæl.jəˈmɪn.i.əm/

a light silver-coloured metal that is used for making things such as pans for cooking

recycle (v)
/ˌriːˈsaɪ.kl̩/

to use something again, often for a different purpose

waterway (n)
/ˈwɔː.tə.weɪ/

a river or canal that boats use for travelling from one place to another

thick (a)
/θɪk/

having a large distance between two sides

expect (v)
/ɪkˈspekt/

to think or believe something will happen, or someone will arrive

individual (a)
/ˌɪn.dɪˈvɪd.ju.əl/

by or for one person; special; particular

mammal (n)
/ˈmæm.əl/

any animal that gives birth to live babies, not eggs, and feeds its young on milk