challenger
1.English Challenger Expedition
2.Toyota, A Challenger Challenged
3.He whipped his challenger.
4.Glomar Challenger drilling vessel
5.A challenger of established authority.
6.The challenger took a dive.
7.When shall we see the movie Challenger?
8.the champion is faced with a feisty challenger.
9.The champion and the challenger meet next week.
10.In the second round, the challenger gave up.
