Words That Start With Ir: List and Definitions

This article provides a comprehensive list of words that start with “ir” to enrich your vocabulary and enhance your language skills.

1. Irate- Very angry.
2. Iridescent- Showing luminous colors that seem to change when seen from different angles.
3. Iridium- A chemical element with symbol Ir and atomic number 77, used particularly in high-temperature materials.
4. Irksome- Annoying or irritating.
5. Irrelevant- Not connected with or relevant to something.
6. Irresistible- Too attractive or tempting to be resisted.
7. Irreparable- Impossible to repair or rectify.
8. Irrefutable- Impossible to deny or disprove.
9. Irreverent- Showing a lack of respect for people or things that are generally taken seriously.
10. Irresolute- Showing or feeling hesitancy; uncertain.
11. Irregular- Not even or balanced in shape or arrangement.
12. Irrigate- Supply water to (land or crops) to help growth.
13. Irritable- Easily annoyed.
14. Irritate- Make someone annoyed or a part of the body sore or inflamed.
15. Irredeemable- Not able to be saved, improved, or corrected.
16. Irretrievable- Not able to be recovered or put right.
17. Irreducible- Not able to be brought to a simpler form.
18. Irreplaceable- Impossible to replace.
19. Irrespectively- Without regard to something else.
20. Irresponsible- Not showing a proper sense of responsibility.
21. Irrespective- Not taking something into account.
22. Irrational- Not logical or reasonable.
23. Irreproachable- Beyond criticism; faultless.
24. Irremediable- Impossible to cure or put right.
25. Irreflexive- Not reflexive; in logic, not a reflexive relation.
26. Irreligious- Indifferent or hostile to religion.
27. Irresolvable- Not able to be resolved.
28. Irreversible- Not able to be undone or altered.
29. Ironclad- Covered or protected with iron.
30. Ironsmith- A blacksmith; someone who works with iron.
31. Ironic- Happening in the opposite way to what is expected.
32. Irony- The expression of meaning using language that normally signifies the opposite.
33. Ironwood- A type of wood known for its hardness.
34. Irony- Significance that contradicts intention.
35. Ironside- A person of formidable strength or endurance.
36. Ironstone- A sedimentary rock with a high iron content.
37. Irons- Plural of iron; metal tools or implements.
38. Ironworks- A building or site for processing iron.
39. Ironmongery- Goods made of iron.
40. Iridium- Element with atomic number 77, used in high-temperature materials.
41. Irrefutably- In a way that is impossible to deny or disprove.
42. Irrefragable- Not able to be refuted or disproved.
43. Irrecognizable- Not able to be recognized or identified.
44. Irreflective- Not making or involving careful thought.
45. Irremovable- Not able to be removed.
46. Irreciprocal- Not reciprocal; unidirectional.
47. Irreceptive- Not receptive or responsive.
48. Irreclaimable- Not able to be recovered or reclaimed.
49. Irreconstructed- Being stubbornly resistant to change.
50. Irrecusable- Impossible to challenge, especially in law.
51. Irrecognizability- State of being unrecognizable.
52. Irremissible- Not able to be remitted or pardoned.
53. Irrecoverable- Not able to be retrieved or regained.
54. Irredeemably- In a manner that cannot be saved or compensated for.
55. Irrecoiling- Without recoiling; steady.
56. Irreductible- Synonymous with irreducible.
57. Irreflexive- Not reflexive; especially in logic.
58. Irresolvable- Not able to be resolved or solved.
59. Irreplacability- Quality of being impossible to replace.
60. Irresistibly- In a way that is too attractive or appealing to be resisted.
61. Irreproachably- In a manner free from criticism or blame.
62. Irreproducible- Not able to be produced again.
63. Irresolubly- Unable to be resolved.
64. Irremovably- Unmovable; permanently fixed.
65. Irrespectively- Without singling out for regard.
66. Irresiponsibility- State of lacking responsibility.
67. Irritability- Quality of being easily annoyed or angered.
68. Irruption- A sudden invasion or increase.
69. Irruptive- Relating to or causing a sudden increase.
70. Irreparable- Impossible to repair.
71. Irreflexia- Absence of neurological reflexes.
72. Irrefutability- Quality of being impossible to deny.
73. Irresilience- Lack of resilient qualities.
74. Irregularity- State of being irregular.
75. Irritability- Degree of sensitivity to stimuli.
76. Irritative- Causing irritation.
77. Irreducibility- Incapable of being simplified.
78. Irrationality- Quality of being illogical.
79. Irremovability- Condition of being unable to be removed.
80. Irresistibility- Unresistible; overwhelmingly appealing.
81. Irreflexiveness- Lack of reflexive response.
82. Irresuscitability- Inability to be revived.
83. Irrelevancy- Lack of relevance; non-pertinence.
84. Irreducibleness- Inability to be reduced or simplified.
85. Irreproducibleness- State of being unable to reproduce.
86. Irreversibility- Incapable of being reversed.
87. Irreproachable- Blameless; beyond reproach.
88. Irretrievable- Not retrievable.
89. Irremediable- Not able to be cured.
90. Irreducible- Not capable of being simplified.
91. Irreplaceable- Unique or beyond replacement.
92. Irreparable- Not repairable.
93. Irrefragable- Not refutable.
94. Irrealis- A grammatical mood indicating something that is not real.
95. Irregardless- Regardless; despite prevalent usage controversies.
96. Irrelative- Unrelated or disconnected.
97. Irresolutely- Hesitantly; showing uncertainty.
98. Irremeable- Without a means of return.
99. Irrecusable- Not subject to recusal, especially in a legal context.