Words similar to challenge

Example sentences for: challenge

How can you use “challenge” in a sentence? Here are some example sentences to help you improve your vocabulary:

Firstly, the extremely high probability of infection in high-dose challenge studies conflicts with the low transmission rate of HIV per sex act [14–17].
"But the challenge will be to distinguish between the right kind of anti-Communism and McCarthy's anti-Communism.
For these reasons, among others, Medicare presents a great fiscal challenge over the long term.
Although there are many dimensions to the current challenge, let's start with one of our own: Arthur Andersen LLP (Andersen).
Ambrose Bierce defined an adage as “boned wisdom for weak teeth”; the challenge to the epigrammatist is to put some teeth into it.