enemy
/ˈɛn.ə.ˌmi/Definitions
1. noun
A person or thing that is hostile or opposed to another; an adversary.
“The enemy of the state was arrested and put on trial.”
2. noun
A disease or condition that attacks the body and is difficult to treat or cure.
“The patient’s enemy was a rare form of cancer that had spread quickly.”
3. noun
A substance that causes harm or destruction to something else, such as a chemical enemy of bacteria.
“The detergent was a powerful enemy of grease and stains.”
4. verb
To make or become an enemy of someone or something.
“The two countries have been enemies for decades.”
5. verb
To cause harm or destruction to something, especially a disease or a chemical agent.
“The new treatment was an enemy of the deadly virus.”