having a lot of work to do

engaged, at work

(of a person, action) showing a serious wish to do something successfully

driven, persistent

determined and stubborn when trying to solve or complete something

determined, persistent

brave; ready to go on fighting; ready and willing; a form of play, sport, especially with rules, e.g. tennis, football, cards

brave, willing

an apparatus for grinding

hardworking

(of a person) making repeated and annoying requests

demanding, insistent

willing to work long and hard

hardworking

an animal that is the young of a horse and a donkey; a slipper without a heel

stubborn

very careful; thorough

meticulous, thorough

having, showing patience; a person who has received or is receiving medical treatment

capable, willing to endure

brave

brave

very determined

determined, strong-willed

serious and determined

assiduous

firmly fixed; loyal

loyal, steady

(of a person) having a strong, determined will; difficult to deal

obstinate, unyielding

holding tightly; very determined to get or keep something, be successful in winning an argument etc

strong, unyielding

not hesitating

steadfast