challenge

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This finding challenges existing models and suggests that large scale cosmic structures may shape galaxy rotation more strongly or over longer periods than previously believed.

From Science Daily

Their rivalry presents fascinating and dynamic challenges for the viewer to chew on, but only Marty’s character is truly rewarded with the extra depth.

From Salon

It was a Christmas message that did not dwell on any of the King's personal challenges.

From BBC

If parliament approves it, the government’s proposed commission is likely to face legal challenges, including possible petitions against it to the Supreme Court.

From The Wall Street Journal

The Sikh Coalition and Asian Law Caucus filed the class-action lawsuit on behalf of five commercial driver’s license holders, challenging the DMV’s decision to revoke licenses.

From Los Angeles Times