Challenge adverbs are provided in this article. The words listed here are commonly found along with the verb challenge in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb CHALLENGE.
actively, actually, boldly, certainly, confidently
constantly, continually, directly, effectively, eventually
explicitly, fairly, fearlessly, frequently, fundamentally
justly, necessarily, openly, potentially, publicly
rarely, really, safely, seriously, successfully
Hope this word list had the challenge adverb you were looking for. In addition to adverbs used with challenge, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.