Hypertext Webster Gateway: "challenger"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Challenger \Chal"len*ger\, n.
One who challenges.
From WordNet (r) 1.7 (wn)
challenger
n : the contestant you hope to defeat; "he had respect for his
rivals"; "he wanted to know what the competition was
doing" [syn: {rival}, {competitor}, {competition}, {contender}]
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