tough

1 not easily chewed her steak was so tough that she suggested the waiter use it as a hockey puck Synonyms chewy, leathery Related Words fibrous, gristly, sinewy, stringy; brittle, crunchy, hard; cardboardy Near Antonyms mushy, soft Antonyms tender

2 able to withstand hardship, strain, or exposure this is a tough plant that easily withstands harsh winters Synonyms cast-iron, hard, hard-bitten, hardened, inured, rugged, stout, strong, sturdy, hardy, toughened, vigorousRelated Words flinty, leathery, resilient, stalwart; durable, enduring, everlasting, immortal, imperishable, lasting, permanent, stable, staunch (also stanch), staying, tenacious, unyielding; flourishing, prospering, thriving; able-bodied, brawny, muscular; fit, fortified, hale, healthy, husky, lusty, red-blooded, robust, sound, strapping, virile; annealed, seasoned, temperedNear Antonyms emasculated, enervated, enfeebled, exhausted, run-down, sapped, wasted, weakened, worn, worn out; crippled, debilitated, diseased, incapacitated, infirm, unsound; fragile, frail, puny; resistless, sensitive, susceptible, unresistant, vulnerable, yielding; mortal, perishable, temporary, transientAntonyms delicate, nonhardy, soft, tender, weak

3 difficult to endure tough weather conditions on the top of the mountain all year long Synonyms bitter, brutal, burdensome, cruel, excruciating, grievous, grim, hard, hardhanded, heavy, inhuman, murderous, onerous, oppressive, rough, rugged, searing, severe, stiff, harsh, tryingRelated Words austere, bleak, comfortless, discomforting, forbidding, inhospitable, spartan, uncomfortable; biting, inclement, intemperate, wild; rigorous, strict, stringent; agonizing, heartbreaking, heartrending, painful, wretched; crushing, grinding, overwhelming, wearing; insufferable, insupportable, intolerable, unbearable, unendurable; harrowing, tortuous; bad, disagreeable, hostile, unfriendly, unpleasantNear Antonyms comfortable, cozy, luxurious, snug; agreeable, friendly, genial, hospitable, pleasant; peaceful, relaxing, reposeful, restful; bearable, endurable, painless, tolerable; balmy, calm, clement, gentle, mild, moderate, temperateAntonyms easy, light, soft

4 requiring considerable physical or mental effort even if you study for it, it's still a tough exam Synonyms arduous, Augean, backbreaking, challenging, demanding, difficult, effortful, exacting, formidable, grueling (or gruelling), heavy, hellacious, herculean, killer, laborious, moiling, murderous, pick-and-shovel, rigorous, rough, rugged, severe, stiff, strenuous, sweaty, tall, testing, toilsome, hard, uphillRelated Words abstract, abstruse, complex, complicated, elusive, hairy, insoluble, intricate, involved, knotty, opaque, problematic (also problematical), recondite, serious, spiny, stubborn, thorny, ticklish, tricky; bruising, burdensome, exhausting, labored, onerous, oppressive, stressful, taxing, tight, trying; annoying, bothersome, distressing, irksome, troublesome, vexatious; grievous, grim, strict, stringent; brutal, cruel, inhuman, painfulNear Antonyms achievable, clear, doable, elementary, manageable, uncomplicated; comforting, gentle, painless, relaxed, smooth, soothing; accessible, friendly, idiotproof, user-friendlyAntonyms cheap, easy, effortless, facile, light, mindless, simple, soft, undemanding

5 requiring exceptional skill or caution in performance or handling handled a tough situation with the aplomb and tact of a true diplomat Synonyms catchy, delicate, difficult, dodgy [chiefly British], hairy, knotty, nasty, prickly, problematic (also problematical), sensitive, spiny, sticky, thorny, ticklish, touchy, tricky, tricksyRelated Words abstract, abstruse, complex, complicated, hard, intricate, involved, recondite, serious; problem, scabrous, stubborn, troublesome, troublous, vexatious, vexing, worrisome; burdensome, demanding, discommoding, exacting, exhausting, importunate, inconvenient, onerous, oppressive, painful, stressfulNear Antonyms easy, effortless, manageable, painless, simple, straightforward, uncomplicated, undemanding, unproblematic

6 given to exacting standards of discipline and self-restraint a tough supervisor who docked the pay of anyone who punched in late, no matter what the reason Synonyms austere, authoritarian, flinty, hard, harsh, heavy-handed, ramrod, rigid, rigorous, stern, strict, severeRelated Words demanding, exacting; uncharitable, unforgiving; adamant, adamantine, callous, hardened, hard-hearted, hard-line, immovable, implacable, inflexible, merciless, ossified, pitiless, relentless, rock-ribbed, stiff, unbending, uncompromising, unrelenting, unsparing, unyielding; dour, gruff; ascetic (also ascetical), monastic, monkish; browbeating, bullying; determined, firm, resolved, single-minded, steadfast, unflinching; dogged, intractable, obstinate, relentlessNear Antonyms easy, easygoing, laid-back, undemanding; charitable, kind, merciful, mild, patient, soft, softhearted; accepting, compromising, yielding; responsive, willing; acquiescent, agreeable, amenable, complaisant, compliant, flexible, pliable, pliantAntonyms clement, forbearing, gentle, indulgent, lax, lenient, tolerant