transitive verb 1 : to dispute especially as being unjust, invalid, or outmoded : impugn new data that challenges old assumptions

The lawsuit is a challenge to the lower court's decision. Both teachers have had to deal with many challenges to their authority.

List of Internet challenges A person taking the ALS Ice Bucket Challenge This is a list of Internet challenges.

So we can say it's hard for us to know, we know that challenges are underreported, but we don't know by how much.

Extra Examples The demonstration represents a direct challenge to the new law. He was answering challenges to the government's policy.

Other forms: challenged; challenges; challenging A challenge is something that puts you to the test — like running your first marathon or reading War and Peace.

Find 154 different ways to say CHALLENGE, along with antonyms, related words, and example sentences at Thesaurus.com.

Define challenges. challenges synonyms, challenges pronunciation, challenges translation, English dictionary definition of challenges. n. 1. a. A call to engage in a contest, fight, or competition: a …

to make demands on; stimulate: the job challenges his ingenuity to order (a person) to halt and be identified or to give a password to make formal objection to (a juror or jury) to lay claim to (attention, …

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