Words similar to challenger

Example sentences for: challenger

How can you use “challenger” in a sentence? Here are some example sentences to help you improve your vocabulary:

You'll have to, because it's never happened, even when things went as awry as they did with the Challenger.
Patty Murray will hold off Republican challenger Linda Smith.
That is, the Challenger inquiry could be seen as similar to a case study in some ways.
Gephardt might or might not emerge as a serious challenger to Gore.
I guess Shuger doesn't recall John Young taking NASA management to task about flawed decision-making after the Challenger accident.