Homework

4. against (especially in sports and legal use).
5. a person or animal with whom one spends a lot of time or with whom one travels.
6. move backward.
7. expressing a compliment; praising or approving.
9. happening at the same time.
11. an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

1. (of a person or thing) able to be likened to another; similar.
2. giving rise or likely to give rise to public disagreement.
3. a remarkable concurrence of events or circumstances without apparent causal connection.
4. able to adapt or be adapted to many different functions or activities.
7. mutually opposed or inconsistent.
8. cause (someone or something) to change course or turn from one direction to another.
9. the state of being strikingly different from something else.
10. opposite in nature, direction, or meaning.
11. a particular form of something differing in certain respects from an earlier form or other forms of the same type of thing.