- without flinching;
despite any difficulty; steadfast
- 1837, Catharine
E. Beecher, An Essay on Slavery and Abolitionism,
- Can an honest, upright and Christian man, go into these conflicts, and with unflinching firmness stand up for all that is good, and oppose all that is evil, in whatever party it may be found, without a measure of moral courage such as few can command?
- 1837, Catharine E. Beecher, An Essay on Slavery and Abolitionism, page 126
assiduous, balanced, calm, constant, continuing, cool, coolheaded, diligent, dogged, enduring, faithful, fast, fiducial, firm, firm as Gibraltar, immutable, imperturbable, implacable, in equilibrium, inalterable, indefatigable, indomitable, industrious, inexcitable, insistent, invincible, lasting, loyal, merciless, mortal, nerveless, never-tiring, obstinate, patient, patient as Job, permanent, perseverant, persevering, persistent, persisting, pertinacious, plodding, plugging, predictable, preoccupied, rapt, relaxed, relentless, reliable, resolute, rock-steady, ruthless, secure, sedulous, single-minded, sleepless, slogging, solid, sound, stable, steadfast, steady, steady-handed, steady-nerved, steel-nerved, stick-at-nothing, strong-nerved, stubborn, substantial, tenacious, tireless, unabashed, unabating, unappalled, unappeasable, unawed, unblenching, unblinking, unconquerable, uncowed, uncringing, undaunted, undiscouraged, undismayed, undrooping, unfailing, unfaltering, unflagging, unflappable, unhesitant, unhesitating, unintermitting, uninterrupted, unintimidated, unnervous, unnodding, unquivering, unrelaxing, unrelenting, unremitting, unshakable, unshaken, unshaky, unshrinking, unsleeping, unstrained, unswerving, untiring, untremulous, unwavering, unwearied, unwearying, unwinking, unyielding, utterly attentive, weariless, well-balanced, without a tremor, without nerves