valiant

a valiant attempt that failed.

Despite their valiant efforts, they were unable to save the child’s life.

she made a valiant effort to hold her anger in check.

Then Bhisma, the valiant grandsire of the Kuru dynasty roaring like a lion, blew his conch shell very loudly for increasing Duryodhana's cheerfulness.

Our hero, the valiant Spaceman Spiff, is marooned on a strange world ...I'll set my Mertilizer on "deep fat fry." Calvin!You're not paying attention!

A coward considers difficulties as a heavy burden on his back,but a valiant fighter turns difficulties into a stepping-stone for his advance.