défi

/de.fi/
1.
nounmasculineSing

challenge (a difficult task or goal to overcome)

dare (a provocation to do something risky or competitive)

C’est un énorme défi, mais je pense qu’on peut le relever ensemble.

It's a huge challenge, but I think we can meet it together.

Synonyms:challenge, épreuve, mise au défi, provocation