- indomitable
- adj1. invincible, unconquerable, invulnerable, impregnable, impenetrable, inviolable, insuperable, unassailable, insurmountable, undefeatable, unbeatable, insuppressible; stout, stout-hearted, stalwart, Obs. stalworth, steadfast, doughty, hardy, solid, stable, tough, staunch, stanch, cast-iron, Inf. hard as rock, Inf. tough as nails; firm, resolute, determined, resolved, intransigent, inflexible, adamant, adamantine; defiant, unyielding, unflinching, unwavering, unswerving, undeviating; persevering, unrelenting, irrepressible, indefatigable, tireless, untiring, weariless, unwearying, unflagging.2. courageous, brave, valiant, valorous, heroic, heroical, hero-like, lionhearted, ironhearted, great-hearted, high-hearted; virile, manly, manful; intrepid, fearless, dauntless, aweless, dreadless, unafraid, undaunted, unblenching, unblenched, undismayed, unappalled, unalarmed; bold, bold-spirited, high-spirited, daring, audacious; plucky, mettlesome, nervy, gritty, spirited, red-blooded, Inf. spunky, Sl. gutsy.
A Note on the Style of the synonym finder. 2014.