Synonyms of staunch

1 Syllable

firm, stiff, loyal, sound, fast, strong, true, tough, sure, stout, tried

2 Syllables

hardier, steely, come-through, jocker, true-blue, trusty, stable, sturdy, manful, steadfast, puissant, strongest, jockstrap, constant, manlier, colter, heman, lieger, hard-line, manly, hard-core, stalwart, ardent, stablest, steelier, studder, faithful, sturdier, brick-wall, hardiest, stabler, stronger, hardy, manliest, dogged, liege

3 Syllables

unflagging, unmoved, tried-and-true, true-hearted, unfailing, allegiant, untiring, reliable, stout-hearted, two-fisted, secure, stabile, fireball, trustworthy, tenacious, incorrupt, truehearted, unyielding, beefcake, devoted

4 Syllables

resolute, high-principled, dependable, unretiring, purposive, statuelike, unforgetful, never-failing, unwaivering, purposeful, unwavering, single-minded, inflexible, heavy-duty, able-bodied, iron-willed

5 Syllables

unadaptable, indomitable, undefeatable, inalterable

6 Syllables

perseverative