Resolute – Determined in character, action or ideas
In the reservoir, the burglars hid the loot (resolute). They were determined to get away with their crime.
Examples of resolute in a sentence
With resolute concentration, Lydia made one final attempt to finish her dressage routine without falling off.
Mary sat arms crossed and resolute on the couch as she waited for Dave to apologise.
Because Diane is unfailingly resolute about keeping secrets, all her friends feel they can trust her with anything.