select the noun meaning \sick or not well.\

select the noun meaning \sick or not well.\
Answer
Brief Explanations:
We need to find a noun with the meaning "sick or not well". "illness" is a noun that means a disease or period of being sick. Other words like "suggestion" means an idea or plan put forward for consideration, "childish" is an adjective, "helpful" is an adjective, etc.
Answer:
illness