(n)  bad health; illness; sickness

(n) bad air; a disease usually spread by infected mosquitoes

(n) an evildoer; a person who does bad  things

(adj) a word that describes a person or character who wishes bad things would happen to others

(n)  wrongdoing or bad  conduct by a public official

(n) mischief; evil intent; bad will

(adj) harmful; something bad enough that it could result in death when  related to cancer

(adj)  having bad health or having poor nutrition

(adj)  bad smell; stinky