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adjective
rocklike
Synonyms: adamantine, callous, compact, compacted, compressed, concentrated, consolidated, dense, firm, hardened, impenetrable, indurate, indurated, inflexible, iron, packed, rigid, rocky, set, solid, stiff, stony, strong, thick, tough, unyielding
Antonyms: flexible, malleable, pliable, pliant, soft, yielding
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adjective
difficult, exhausting
Synonyms: arduous, backbreaking, bothersome, burdensome, complicated, demanding, difficile, distressing, effortful, exacting, fatiguing, formidable, grinding, hairy, heavy, Herculean, intricate, involved, irksome, knotty, labored, laborious, mean, merciless, murder, onerous, operose, rigorous, rough, rugged, scabrous, serious, severe, slavish, sticky, strenuous, terrible, tiring, toilful, toilsome, tough, troublesome, unsparing, uphill, uphill battle, wearing, wearisome, wearying
Antonyms: easy, facile, mild, simple
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adjective
cruel, ruthless
Synonyms: acrimonious, angry, antagonistic, austere, bitter, bleak, brutal, callous, cold, cold-blooded, cold fish, dark, disagreeable, distressing, dour, exacting, grievous, grim, hard as nails, hard-boiled, harsh, hostile, inclement, intemperate, intolerable, obdurate, painful, perverse, pitiless, rancorous, resentful, rigorous, rugged, severe, stern, strict, stringent, stubborn, thick-skinned, tough, unfeeling, unjust, unkind, unpleasant, unrelenting, unsparing, unsympathetic, vengeful
Antonyms: merciful, mild, nice, pleasant, sensitive, sympathetic
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adjective
true, indisputable
Synonyms: absolute, actual, bare, cold, definite, down-to-earth, genuine, plain, positive, practical, pragmatic, realistic, sure, undeniable, unvarnished, verified
Antonyms: disputable, doubtful, inexact, questionable, uncertain, untrue
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adverb
with great force
Synonyms: actively, angrily, animatedly, boisterously, briskly, brutally, cruelly, earnestly, energetically, ferociously, fiercely, forcibly, frantically, furiously, heavily, intensely, keenly, like fury, madly, meanly, painfully, powerfully, relentlessly, rigorously, roughly, rowdily, savagely, seriously, severely, sharply, spiritedly, sprightly, stormily, strongly, tumultously/tumultuously, turbulently, uproariously, urgently, viciously, vigorously, violently, vivaciously, wildly, with all one’s might
Antonyms: gently, softly
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adverb
with determination
Synonyms: assiduously, closely, diligently, doggedly, earnestly, exhaustively, industriously, intensely, intensively, intently, painstakingly, persistently, searchingly, sharply, steadily, strenuously, thoroughly, unremittingly, untiringly
Antonyms: unenthusiastically
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adverb
with difficulty
Synonyms: agonizingly, arduously, awkwardly, badly, burdensomely, carefully, cumbersomely, cumbrously, distressingly, exhaustingly, gruelingly, hardly, harshly, inconveniently, laboriously, painfully, ponderously, roughly, severely, strenuously, tiredly, toilsomely, unwieldily, vigorously, with great effort
Antonyms: easily, moderately
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adverb
with resentment
Synonyms: bitterly, hardly, keenly, rancorously, reluctantly, slowly, sorely
Antonyms: indulgently, tolerantly
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adverb
in a fixed manner
Synonyms: close, fast, firm, firmly, solidly, steadfastly, tight, tightly
Antonyms: unfixedly, yielding