Different (adjective)

1. Not the same as another or each other; unlike in nature, form, or quality.
2. Not identical; separate or distinct.
3. Not of the same kind or class; dissimilar.
4. Not alike in characteristics or function.
5. Not having the same characteristics or form.

Origin:

Middle english differen, from old french differer, from latin differre "to carry away, postpone, differ".

Examples:

1. I am different from you.
2. She is different than her sister.
3. He is different from what I thought.
4. They are different in many ways.
5. We are different but equal.