Definitions:

1. In environmental contexts, refers to the extinction of a species due to human actions, environmental changes, or disease. NOUN
   • The hunting of certain animals near extinction led to the extermination of many species in the wild.
2. In pest control, refers to the process of completely removing pests like insects, rodents, or other animals that are considered harmful or unwanted. NOUN
   • The homeowners called an exterminator to handle the extermination of the termite infestation in their house.
3. In warfare or genocide, describes the deliberate and systematic killing of a large group or people or an ethnic group. NOUN
   • Historical records detail the horrific extermination campaigns that targeted entire populations.
4. Refers to the complete eradication or destruction of a particular group, species, or kind entirely. NOUN
   • They think a meteor caused the extermination of the dinosaurs.

Synonyms:

• annihilation
• decimation
• destruction
• elimination
• eradication
• extinction
• genocide
• killing
• liquidation
• obliteration