| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | healthy, powerful |
| Synonyms: | able, able-bodied, active, athletic, big, capable, durable, enduring, energetic, firm, fixed, forceful, forcible, hale, hard as nails, hardy, hearty, heavy, heavy-duty, in fine feather, mighty, muscular, reinforced, robust, rugged, secure, sinewy, solid, sound, stable, stalwart, stark, staunch, steady, stout, strapping, sturdy, substantial, tenacious, tough, unyielding, vigorous, well-built, well-founded, well-made |
| Antonyms: | feeble, infirm, unhealthy, unpowerful, weak |
| Main Entry: | sturdy |
| Part of Speech: | adjective |
| Definition: | solid, durable |
| Synonyms: | athletic, built to last, bulky, determined, firm, flourishing, hardy, hearty, hefty, hulking, husky, lusty, muscular, powerful, powerhouse, resolute, robust, rugged, secure, sound, stalwart, staunch, steadfast, stiff, stout, stouthearted, strapping, strong, strong-arm, substantial, tenacious, tough, unyielding, vigorous, well-built, well-made |
| Antonyms: | unstable, weak, wobbly |
| Main Entry: | taut |
| Part of Speech: | adjective |
| Definition: | rigid, tight |
| Synonyms: | close, firm, flexed, snug, stiff, strained, stressed, stretched, tense, tightly drawn, trim, unyielding |
| Notes: | taunt meant to mock or tease someone; taut means tightly stretched or tense |
| Antonyms: | droopy, flabby, loose, slack |
| Main Entry: | tight |
| Part of Speech: | adjective |
| Definition: | close, snug |
| Synonyms: | bound, clasped, close-fitting, compact, constricted, contracted, cramped, crowded, dense, drawn, enduring, established, fast, firm, fixed, hidebound, inflexible, invulnerable, narrow, quick, rigid, secure, set, skintight, solid, stable, steady, stiff, strained, stretched, strong, sturdy, taut, tenacious, tense, thick, tightened, unbending, unyielding |
| Notes: | the choice of 'tight' or 'tightly' depends on whether it is the result or the application that is emphasized; if it is an enduring state, you would use 'tight' |
| Antonyms: | comfortable, free, loose, open, slack |
| Main Entry: | tough |
| Part of Speech: | adjective |
| Definition: | sturdy, strong |
| Synonyms: | brawny, cohesive, conditioned, dense, durable, fibrous, firm, fit, flinty, hard, hard as nails, hard-bitten, hardened, hardy, healthy, indigestible, inflexible, leathery, lusty, mighty, molded, resilient, resistant, rigid, robust, rugged, seasoned, sinewy, solid, stalwart, steeled, stiff, stout, strapping, tenacious, tight, tough as nails, unbreakable, unyielding, vigorous, withstanding |
| Antonyms: | delicate, fragile, unstable, vulnerable, weak, wobbly |
| Main Entry: | tough |
| Part of Speech: | adjective |
| Definition: | obstinate, rough |
| Synonyms: | adamant, arbitrary, callous, confirmed, cruel, desperate, drastic, exacting, ferocious, fierce, firm, fixed, hard, hard-bitten, hard-boiled, hard-line, hard-nosed, hard-shelled, harsh, headstrong, immutable, inflexible, intractable, merciless, narrow, obdurate, pugnacious, refractory, resolute, ruffianly, ruthless, savage, severe, stern, stiff, strict, stubborn, taut, terrible, unalterable, unbending, uncompromising, uncontrollable, unforgiving, unmanageable, unyielding, vicious, violent |
| Antonyms: | gentle, kind, nice, tender |
| Main Entry: | tough |
| Part of Speech: | adjective |
| Definition: | difficult, laborious |
| Synonyms: | arduous, backbreaking, baffling, burdensome, demanding, effortful, exacting, exhausting, exigent, grievous, hairy*, handful, hard, heavy, intractable, intricate, irksome, knotty, labored, mean, no piece of cake, onerous, oppressive, perplexing, puzzling, resisting, severe, stiff, strenuous, taxing, thorny, toilsome, troublesome, trying, unyielding, uphill, weighty, wicked |
| Antonyms: | controllable, easy, facile |
| Main Entry: | unbending |
| Part of Speech: | adjective |
| Definition: | rigid, tough |
| Synonyms: | aloof, crisp, distant, do or die, dug in, firm, formal, hard as nails, hard-line, hold one's ground, hold the fort, hold the line, incompliant, inelastic, inexorable, inflexible, intractable, locked in, obdurate, obstinate, relentless, reserved, resolute, set in stone, severe, single-minded, standing one's ground, standing pat, sticking to one's guns, stiff, strict, stubborn, uncompromising, unflexible, unrelenting, unswayable, unyielding, uptight |
| Antonyms: | bending, flexible, pliable, pliant, relaxed, soft |
| Main Entry: | unbreakable |
| Part of Speech: | adjective |
| Definition: | strong, tough |
| Synonyms: | adamantine, armored, brass-bound, durable, everlasting, firm, incorruptible, indestructible, infrangible, invulnerable, lasting, nonbreakable, perdurable, resistant, rugged, shatterproof, solid, tight, toughened, unshakable, unyielding |
| Antonyms: | breakable, delicate, fragile, weak |