Stedfast - (Webster's 1828 Dictionary)
STEADFAST, STEDFAST, a. [stead and fast.]
1. Fast fixed; firm; firmly fixed or established; as the stedfast globe of earth.
2. Constant; firm; resolute; not fickle or wavering.
Abide stedfast to thy neighbor in the time of his trouble.
Him resist, sted fast in the faith. 1 Pet 5.
3. Steady; as stedfast sight.