steadfast
I
adjective
abiding, anchored, assiduous, constans, constant, decided, dedicated, dependable, determined, devoted, diligent, enduring, established, faithful, fast, firm, firmly established, firmus, fixed, gritty, indissoluble, indomitable, industrious, inexorable, inflexible, intransigent, lasting, long-lasting, loyal, obstinate, patient, perseverant, persevering, persistent, pertinacious, plodding, relentless, reliable, resolute, resolved, riveted, rooted, secure, sedulous, serious, settled, single-minded, stabilis, stable, stationary, staunch, steady, strong, strong-willed, tenacious, tried, true, trustworthy, unalterable, unchanging, uncompromising, undaunted, undeviating, undistracted, unfailing, unfaltering, unflagging, unflinching, unhesitating, unmoved, unshaken, unswerving, untiring, unvarying, unwavering, unyielding, zealous
II
index
chronic, constant, continual (connected), dependable, diligent, durable, faithful (loyal), firm, fixed (securely placed), immutable, indelible, industrious, inexorable, inflexible, loyal, patient, permanent, persistent, pertinacious, purposeful, relentless, reliable, resolute, sedulous, serious (devoted), solid (sound), stable, staunch, strong, true (loyal), uncompromising, unrelenting, unyielding
Burton's Legal Thesaurus.
William C. Burton.
2006