| synonyms (adjective) difficult (adjective) knockout (adjective) severe (adjective) arduous (adjective) backbreaking (adjective) grueling (adjective) gruelling (adjective) heavy (adjective) laborious (adjective) operose (adjective) punishing (adjective) toilsome (adjective) unvoiced (adjective) voiceless (adjective) surd (adjective) concentrated (adjective) intemperate (adjective) strong (adjective) tough (adverb) firmly (adverb) severely (adverb) heavily (adverb) intemperately | antonyms (adjective) easy (adjective) soft (adjective) voiced (adverb) lightly | related terms (adjective) difficult (adjective) hard (adjective) tough (adjective) demanding (adjective) effortful (adjective) insensitive (adjective) merciless (adjective) unmerciful | similar terms (adjective) arduous (adjective) strong (adjective) tough (adjective) adamantine (adjective) al dente (adjective) alcoholic (adjective) ambitious (adjective) awkward (adjective) bad (adjective) baffling (adjective) calculating (adjective) calculative (adjective) case-hardened (adjective) catchy (adjective) challenging (adjective) conniving (adjective) corneous (adjective) delicate (adjective) effortful (adjective) embarrassing (adjective) erect (adjective) firm (adjective) fractious (adjective) granitelike (adjective) granitic (adjective) hard-boiled (adjective) hard-fought (adjective) hardened (adjective) herculean (adjective) hornlike (adjective) horny (adjective) indulgent (adjective) knotty (adjective) lignified (adjective) nasty (adjective) ossified (adjective) petrified (adjective) petrous (adjective) problematic (adjective) problematical (adjective) rocklike (adjective) rocky (adjective) rough (adjective) rugged (adjective) scheming (adjective) semihard (adjective) serious (adjective) set (adjective) shrewd (adjective) solid (adjective) stale (adjective) steely (adjective) sticky (adjective) stonelike (adjective) stony (adjective) tall (adjective) thorny (adjective) ticklish (adjective) tight (adjective) touchy (adjective) tricky (adjective) troublesome (adjective) trying (adjective) tumid (adjective) unenviable (adjective) unyielding (adjective) velar (adjective) vexed (adjective) whispered (adjective) woody |
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