| noun | a person who is loyal to their allegiance (especially in times of revolt) |
| adjective | having rugged physical strength; inured to fatigue or hardships “hardy explorers of northern Canada” |
| adjective | dependable “the stalwart citizens at Lexington” |
| adjective | used especially of persons “a stalwart knight” |
| hardiness | noun | the property of being strong and healthy in constitution |
| stoutness | noun | the property of being strong and resolute |
| sturdiness | noun | the state of being vigorous and robust |
| stalwartness | noun | the property of being strong and resolute |
| stoutheartedness | noun | the trait of having a courageous spirit |