Adolescence /ˌæd

waste /weɪst/ noun EMPTY GROUND
4. waste ground
an area of ground in or near a city which is not built on, used to grow crops, or used in any way
His body had been dumped in an area of waste ground just outside the city. See also wasteland
5. wastes
large areas of land that are not used to grow crops and have few living animals or plants
the Arctic wastes of northern Siberia
achievable /əˈtʃiː.və.bl ̩/ adjective
describes a task, etc. that is possible to achieve
Before you set your targets, make sure that they are achievable.
advantageous /ˌæd.vænˈteɪ.dʒəs/ adjective
giving advantages or helping to make you more successful
advantageous interest rates The lower tax rate is particularly advantageous to poorer families.
risk /rɪsk/ noun
1. [ C or U ] the possibility of something bad happening
In this business, the risks and the rewards are high.
There's a high risk of another accident happening in this fog.
[ + ( that ) ] The risk (that) we might fail made us work twice as hard.
[ + -ing verb ] It's always a risk start ing up a new business.
The company is quite a good risk (= safe to lend money to) .
We want clean rivers and lakes, where you can swim without risk to your health.
It's a low/high- risk strategy (= one that is safe/not safe) .
2. [ C ] something bad that might happen
This wire is a safety/fire risk. His employers thought he was a security risk (= he might tell their secrets to a competitor) .
at risk
in a dangerous situation
All houses within 100 metres of the seas are at risk of flooding.