1. Doctrine, Belief, or System:
* This is the most common meaning of "-ism". It indicates a set of beliefs, principles, or theories that form a system of thought or action.
* Examples: Capitalism, Communism, Feminism, Nationalism, Atheism, Buddhism, etc.
2. Practice, Characteristic, or Style:
* It can also denote a characteristic or style of behavior, art, or expression.
* Examples: Realism, Impressionism, Surrealism, Modernism, Individualism, Chauvinism, etc.
3. State, Condition, or Disease:
* "-ism" sometimes indicates a state, condition, or a disease.
* Examples: Autism, Albinism, Scleroderma, etc.
4. Tendency or Habit:
* It can also signify a tendency or habit, often with a negative connotation.
* Examples: Fanaticism, Extremism, Racism, Sexism, etc.
In summary, "-ism" generally implies a system, belief, practice, condition, or tendency. However, the specific meaning can vary depending on the context and the word it is attached to.