100 Best Synonyms for “Ill”

Best Synonyms for

No. Item Definition
1. adverse Harmful or unfavorable.
2. afflicted Troubled by illness or suffering.
3. ailing Sick or declining in health.
4. arthritic Affected by arthritis.
5. ashen Pale gray from illness.
6. asthmatic Affected by asthma.
7. bad Not good or harmful.
8. bedbound Unable to leave bed.
9. bedridden Confined to bed by illness.
10. below par Less healthy than usual.
11. bilious Nauseated or liverish.
12. bloodless Very pale or weak-looking.
13. cadaverous Deathly pale and thin.
14. cancerous Affected by cancer.
15. chilled Feeling cold from illness.
16. clammy Cold, damp, and unwell.
17. consumptive Affected by wasting disease.
18. crook Sick or unwell.
19. deathly Extremely pale or sickly.
20. debilitated Weakened by illness.
21. delirious Confused from fever or illness.
22. diabetic Affected by diabetes.
23. diseased Affected by disease.
24. dizzy Lightheaded and unsteady.
25. drawn Tired and unwell-looking.
26. emaciated Extremely thin from illness.
27. enfeebled Made weak, especially by illness.
28. evil Morally bad or harmful.
29. exhausted Extremely tired or weakened.
30. faint Weak and near collapsing.
31. fatigued Very tired, often from illness.
32. febrile Feverish.
33. feeble Very weak or infirm.
34. feverish Having or showing a fever.
35. frail Weak and delicate.
36. gaunt Thin and unwell-looking.
37. ghastly Pale and shockingly unwell-looking.
38. grave Seriously bad or dangerous.
39. green around the gills Looking nauseous or sick.
40. groggy Weak, dazed, and unwell.
41. haggard Exhausted and unwell-looking.
42. harmful Causing damage or injury.
43. impaired Weakened or damaged in function.
44. incapacitated Unable to function normally.
45. indisposed Slightly unwell.
46. infected Affected by harmful germs.
47. infirm Weak or chronically unwell.
48. invalid Chronically sick or disabled.
49. jaundiced Yellowed by liver illness.
50. laid up Confined by illness or injury.
51. lethargic Sluggish from weakness or illness.
52. lightheaded Dizzy or faint.
53. listless Lacking energy from illness.
54. liverish Slightly sick or bilious.
55. low Weak or unwell in spirits.
56. malaise-ridden Affected by general illness.
57. malaise-stricken Suffering general discomfort.
58. malefic Causing harm or evil.
59. malignant Dangerously diseased or cancerous.
60. morbid Diseased or unhealthy.
61. mortal Deadly or life-threatening.
62. nauseated Feeling as if vomiting.
63. nauseous Feeling sick to the stomach.
64. not well Unwell.
65. noxious Harmful or poisonous.
66. off color Slightly unwell.
67. off form Not at normal health.
68. off-colour Slightly unwell.
69. out of sorts Slightly unwell or unsettled.
70. pale Unwell-looking and lacking color.
71. pallid Pale, often from illness.
72. peaky Pale and unwell-looking.
73. pneumonic Affected by pneumonia.
74. poisoned Harmed by poison.
75. poorly Sick or unwell.
76. queasy Slightly nauseous or sick.
77. run-down Weak from tiredness or illness.
78. septic Infected with harmful bacteria.
79. sick Affected by illness.
80. sickened Made or become sick.
81. sickly Often unwell or unhealthy.
82. stricken Seriously affected by illness.
83. subpar Below normal condition.
84. suffering Experiencing illness or pain.
85. symptomatic Showing signs of illness.
86. terminal Having an incurable fatal illness.
87. toxic Poisonous or harmful.
88. tubercular Affected by tuberculosis.
89. under par Below normal health.
90. under the weather Mildly sick or unwell.
91. unfit Not healthy or capable.
92. unhealthy Not healthy or well.
93. unwell Not in good health.
94. unwholesome Not healthy or morally good.
95. wan Pale and sickly-looking.
96. wasted Made thin by illness.
97. weak Lacking strength from illness.
98. weakened Reduced in strength.
99. wicked Morally bad or evil.
100. woozy Dizzy and unwell.