Harmful Synonyms and Antonyms

härmfəl
Causing harm or injury
(Adjective)
Synonyms:
  1. deleterious
  2. detrimental
  3. bad
  4. hurtful
  5. injurious
  6. damaging
  7. adverse
  8. evil
  9. toxic
  10. baneful
  11. deadly
  12. catastrophic
  13. destructive
  14. noxious
  15. mischievous
  16. malicious
  17. ruinous
  18. fatal
  19. pernicious
  20. ill
  21. prejudicial
  22. maleficent
  23. unhealthy
  24. poisonous
  25. noisome
  26. malefic
  27. demolitionary
  28. internecine
  29. inimical
  30. harassing
  31. sinister
  32. subversive
  33. incendiary
  34. virulent
  35. calamitous
  36. cataclysmic
  37. corroding
  38. baleful
  39. nocuous
  40. consumptive
  41. painful
  42. wounding
  43. crippling
  44. malignant
  45. sinful
  46. unwholesome
  47. pestilential
  48. pestiferous
  49. annihilative
  50. corrupting
  51. menacing
  52. ill-omened
  53. dire
  54. morbific
  55. devouring
  56. corrupt
  57. vicious
  58. insidious
  59. treacherous
  60. corrosive
  61. devastating
  62. disastrous
  63. wild
  64. murderous
  65. hazardous
  66. undetermining
  67. sapping
  68. stunting
  69. habit-forming
  70. killing
  71. serious
  72. costly
  73. fraught with harm
  74. doing harm
  75. fraught with evil
  76. sore
  77. extirpative
  78. afflicting
  79. distressing
  80. fell
  81. diabolic
  82. brutal
  83. unhealthful
  84. satanic
  85. demoniac
  86. grievous
  87. mortal
  88. lethal
  89. malevolent
  90. mephitic
  91. venomous
  92. cruel
  93. unfortunate
  94. disadvantageous
  95. felonious
  96. aching
  97. pricking
  98. objectionable
  99. fiendish
  100. unpropitious
  101. unlucky
  102. malign
  103. sinistrous
  104. devilish
  105. nasty
  106. pestilent
  107. unsafe
Antonyms:
  1. harmless
  2. helpful
  3. pure
  4. unharmful
  5. healthful
  6. aiding
  7. good
  8. assisting
  9. nice

Words Related to Harmful

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.

Harmful Sentence Examples

  • The Egyptian rule proved harmful to the country.

  • The ordinary pleasures of life were for them not merely negligible but positively harmful inasmuch as they interrupted the operation of the will.

  • And most of them are harmful, especially the women.

  • An institution upholding honor, the source of emulation, is one similar to the Legion d'honneur of the great Emperor Napoleon, not harmful but helpful to the success of the service, but not a class or court privilege.

  • Though harmful to the economic condition of the island, it left agriculture comparatively unaffected, because the insolvent institutions had never fulfilled the objects of their foundation.

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