hard

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

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

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

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

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

Synonyms: assiduously closely diligently doggedly earnestly exhaustively industriously intensely intensively intently painstakingly persistently searchingly sharply steadily strenuously thoroughly unremittingly untiringly

Antonyms: unenthusiastically

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

Synonyms: bitterly hardly keenly rancorously reluctantly slowly sorely

Antonyms: indulgently tolerantly

Synonyms: close fast firm firmly solidly steadfastly tight tightly

Antonyms: unfixedly yielding