1. Prefix “pro” Meaning for, in favor of, forward

2. Probable

3. Likely, likely to move in a positive direction If she studies, it is probable that she will do well.

4. proceed

5. To move forward; to go; to follow through with an idea or plan When the class is quiet, we will proceed to go to recess on time.

6. projectile

7. A forward-moving object that was thrown or self- powered The football was launched like a projectile through the air.

8. prolong

9. To draw out; to make something moving forward last longer Knowing that I had to get a shot at the doctor’s office will prolong my dread of getting it.

10. promotion

11. A movement forward in a company; a movement up into a better position in a job She got a promotion at her job and now earns more money.

12. propel

13. To cause to move forward He used a tightly wound rubber band to propel his paper airplane.

14. prospect

15. The act of looking forward in anticipation of something to come The prospect of going to the beach made her happy.

16. protest

17. To forward a complaint, objection, or display of unwillingness If recess is shorted, I will protest to the principal!