difficult, hard -- (not easy; requiring great physical or mental effort to accomplish or comprehend or endure; "a difficult task"; "nesting places on the cliffs are difficult of access"; "difficult times"; "why is it so hard for you to keep a secret?")
hard -- (dispassionate; "took a hard look"; "a hard bargainer";)
hard -- (resisting weight or pressure)
hard, knockout, severe -- (very strong or vigorous; "strong winds"; "a hard left to the chin"; "a knockout punch"; "a severe blow")
arduous, backbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, toilsome -- (characterized by effort to the point of exhaustion; especially physical effort; "worked their arduous way up the mining valley"; "a grueling campaign"; "hard labor"; "heavy work"; "heavy going"; "spent many laborious hours on the project"; "set a punishing pace")
unvoiced, voiceless, surd, hard -- (produced without vibration of the vocal cords; "unvoiced consonants such as `p' and `k' and `s'")
hard, concentrated -- ((of light) transmitted directly from a pointed light source)
hard -- ((of speech sounds); produced with the back of the tongue raised toward or touching the velum; "Russian distinguished between hard consonants and palatalized or soft consonants")
intemperate, hard, heavy -- (given to excessive indulgence of bodily appetites especially for intoxicating liquors; "a hard drinker")
hard, strong -- (being distilled rather than fermented; having a high alcoholic content; "hard liquor")
hard, tough -- (unfortunate or hard to bear; "had hard luck"; "a tough break")
hard -- (dried out; "hard dry rolls left over from the day before")
Overview of adv hard
The adv hard has 10 senses
hard -- (with effort or force or vigor; "the team played hard"; "worked hard all day"; "pressed hard on the lever"; "hit the ball hard"; "slammed the door hard")
hard, firmly -- (with firmness; "held hard to the railing")
hard -- (earnestly or intently; "thought hard about it"; "stared hard at the accused")
hard, severely -- (causing great damage or hardship; "industries hit hard by the depression"; "she was severely affected by the bank's failure")
hard -- (slowly and with difficulty; "prejudices die hard")
hard -- (into a solid condition; "concrete that sets hard within a few hours")
hard -- (very near or close in space or time; "it stands hard by the railroad tracks"; "they were hard on his heels"; "a strike followed hard upon the plant's opening")
hard -- (with pain or distress or bitterness; "he took the rejection very hard")
hard -- (to the full extent possible; all the way; "hard alee"; "the ship went hard astern"; "swung the wheel hard left")
(Sound)
