Steadfast

Part of speech: adjective (a.)

1. Firmly fixed or established; fast fixed; firm. "This steadfast globe of earth." Spenser.

2. Not fickle or wavering; constant; firm; resolute; unswerving; steady. "Steadfast eye." Shak. Abide steadfast unto him [thy neighbor] in the time of his trouble. Ecclus. xxii. 23. Whom resist steadfast in the faith. 1 Pet. v. 9.