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.

In most cases, however, doctors cannot pinpoint a clear structural cause, which makes effective long-term treatment challenging.

From Science Daily

However, their extreme thinness also creates a challenge.

From Science Daily

Fans in Manchester were encouraged to recognise abuse and challenge it.

From BBC

Still, Mauren is grateful for the attention she's received from the medical staff who have been working around the clock under extremely challenging conditions.

From BBC

But any decision in that case is likely to face another legal challenge.

From Los Angeles Times