challenging

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.

By closely examining the people who died in what may be one of Europe's earliest known victory celebrations, scientists are challenging long-held assumptions about prehistoric warfare and its purpose.

From Science Daily

But these past few months have arguably been the most challenging of Howe's stint at the club - on and off the field - and the strain can be traced as far back to the summer.

From BBC

The visit comes after a challenging seven days for the Royal Family, as the Epstein files continue to bring further embarrassment.

From BBC

Their results show how quickly respiratory pandemics can expand and why stopping them early is so challenging.

From Science Daily

As the capex bill piles up, it becomes challenging to achieve a desirable return on investment.

From MarketWatch