steadfast Synonyms - page 2

unsleeping hard-working unwearied unflagging unadaptable weariless unyielding unalterable unshaken unchangeable undeviating brassbound long-standing fail-safe stabile unmoving unquestioning well-balanced abiding durable enduring faithful FAST fearless fixed foursquare hard immovable immutable implacable implicative impregnable inalterable dogged diuturnal diligent adamant allegiant assiduous changeless committed consistent constant dauntless decided dedicated dependable determined devoted devout