Tough

Synonyms Durable, resilient, sturdy, firm, substantial, stout, unbreakable, rigid, inflexible, hard-wearing, heavy-duty, made to last, strong, resistant, rugged, solid, sound, indestructible, hard, stiff, toughened, long-lasting, and well built.

Synonyms Chewy, gristly, fibrous, cartilaginous, leathery, stringy, and sinewy.

Synonyms Resilient, hardy, determined, dogged, rugged, robust, red-blooded, hardened, hard-bitten, (as) tough as old boots, strong, gritty, resolute, stalwart, fit, powerful, doughty, cynical, and hard.

Synonyms Arduous, difficult, hard, taxing, tiring, punishing, fatiguing, strenuous, troublesome, stressful, toilsome, knotty, baffling, ticklish, perplexing, mystifying, irksome, onerous, demanding, heavy, burdensome, exhausting, wearying, laborious, exacting, formidable, Herculean, exigent, thorny, tricky, prickly, puzzling, bothersome, and intractable.

Synonyms Strict, severe, harsh, hard-hitting, inflexible, unbending, unsentimental, merciless, callous, uncaring, cool, stony-hearted, hard-nosed, badass, stern, hard, firm, adamant, unyielding, uncompromising, unsympathetic, ruthless, hard-hearted, cold, stony, flinty, and hard-boiled.

Synonyms Rough, unruly, violent, lawless, criminal, callous, rowdy, disorderly, wild, lawbreaking, vicious, and hardened.

Synonyms Ruffian, thug, hooligan, bully, rough, desperado, roughneck, yobbo, bruiser, toughie, yahoo, hoon, rowdy, hoodlum, brute, bully boy, gangster, hard man, yob, heavy, tough guy, gorilla, and hood.