illness or disease

(a)  

confused or unable to understand something

(a)  

very badly affected by trouble or illness

(a)  

absence of noise or motion

(a)  

abandoned, empty

(a)  

time where a situation is very bad or dangerous

(a)  

introduction of a space of a substance or thing that has a harmful poisonous effect

(a)  

state of being so important and needing to be dealt with right away

(a)  

including everyone in the world or a particular group

(a)  

something that appears real but is actually not

(a)  

land, air, water where people, animals, and plants live with all the natural features of this place

(a)  

without regard for consequences, carelessly

(a)  

never happened before, unheard of

(a)  

threatening and likely to occur at any moment

(a)  

unable to continue in the same way or at the same rate

(a)  

gas or other substance sent into the air

(a)  

with the least amount of waste or effort or waste, effectively

(a)  

act of getting rid of something

(a)  

result of an action or actions

(a)  

offered a solution for, solved

(a)