verb, -posed, -pos⋅ing.| 1. | to act against or provide resistance to; combat. |
| 2. | to stand in the way of; hinder; obstruct. |
| 3. | to set as an opponent or adversary. |
| 4. | to be hostile or adverse to, as in opinion: to oppose a resolution in a debate. |
| 5. | to set as an obstacle or hindrance. |
| 6. | to set against in some relation, esp. as to demonstrate a comparison or contrast: to oppose advantages to disadvantages. |
| 7. | to use or take as being opposite or contrary. |
| 8. | to set (something) over against something else in place, or to set (two things) so as to face or be opposite to one another. |
| 9. | to be or act in opposition. |
