Synonym: callous, difficult, firm, harsh, inflexible, rigid, rough, rugged, severe, solid, stern, stony, strenuously, strict, tough, ugly, unpleasant, unyielding, easy, simple, soft. Similar words: hardware, hardly any, harsh, chart, a share, sharp, shark, Chart.. Meaning: [hɑrd /hɑːd] 
adj. 1. not easy; requiring great physical or mental effort to accomplish or comprehend or endure 2. dispassionate 3. resisting weight or pressure 4. very strong or vigorous 5. characterized by toilsome effort to the point of exhaustion; especially physical effort 6. produced without vibration of the vocal cords 7. (of light) transmitted directly from a pointed light source 8. (of speech sounds); produced with the back of the tongue raised toward or touching the velum 9. given to excessive indulgence of bodily appetites especially for intoxicating liquors 10. being distilled rather than fermented; having a high alcoholic content 11. unfortunate or hard to bear 12. dried out. adv. 1. with effort or force or vigor 2. with firmness 3. earnestly or intently 4. causing great damage or hardship 5. slowly and with difficulty 6. indulging excessively 7. into a solid condition 8. very near or close in space or time 9. with pain or distress or bitterness 10. to the full extent possible; all the way.
adj. 1. not easy; requiring great physical or mental effort to accomplish or comprehend or endure 2. dispassionate 3. resisting weight or pressure 4. very strong or vigorous 5. characterized by toilsome effort to the point of exhaustion; especially physical effort 6. produced without vibration of the vocal cords 7. (of light) transmitted directly from a pointed light source 8. (of speech sounds); produced with the back of the tongue raised toward or touching the velum 9. given to excessive indulgence of bodily appetites especially for intoxicating liquors 10. being distilled rather than fermented; having a high alcoholic content 11. unfortunate or hard to bear 12. dried out. adv. 1. with effort or force or vigor 2. with firmness 3. earnestly or intently 4. causing great damage or hardship 5. slowly and with difficulty 6. indulging excessively 7. into a solid condition 8. very near or close in space or time 9. with pain or distress or bitterness 10. to the full extent possible; all the way. 
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31. The ice is hard enough to skate on.
32. She attributed her success to hard work.
33. He forced his thralls into hard labour.
34. The young man has been accustomed to hard work.
35. You don't study hard, thence no good mark.
36. We had a bit of hard luck this season.
37. If u practice hard, u'll get a gold medal.
38. He ascribed his success to hard work.
39. These people are accustomed to hard work.
40. An icy wind blew hard across the open spaces.
41. All this hard work is knackering me.
42. She works very hard to stay slim.
43. It's hard not to overindulge at Christmas.
44. Glover kicked him hard in the crotch.
45. He shook me so hard that my teeth rattled.
46. Trainers rub down an athlete after hard exercise.
47. She pinched his arm as hard as she could.
48. The drugs are sold for hard cash.
49. Sometimes I find it hard to cope.
50. Give the door a hard push.
51. They laugh so hard they double up with laughter.
52. He didn't work hard. Thus he was fired.
53. Her eyes were cruel and hard.
54. If you don't work hard(sentencedict.com), you may fail.
55. I'm a bit hard up at the moment.
56. The skin on her hands was hard and rough.
57. After much hard bargaining we reached an agreement.
58. She always does things the hard way.
59. In all fairness, he has been a hard worker.
60. She pinched my arm hard, and it still hurts.