Here’s a list of 100 words starting with the letter “I” along with their synonyms
1. Idea – Concept, notion
2. Ideal – Perfect, exemplary
3. Identify – Recognize, discern
4. Idle – Inactive, unemployed
5. Ignite – Spark, kindle
6. Ignorant – Unaware, uninformed
7. Illusion – Delusion, mirage
8. Illustrate – Demonstrate, depict
9. Imagine – Envision, visualize
10. Immense – Huge, enormous
11. Impact – Effect, influence
12. Imperative – Essential, necessary
13. Implement – Execute, apply
14. Impressive – Remarkable, awe-inspiring
15. Improve – Enhance, better
16. Inclination – Preference, tendency
17. Include – Incorporate, encompass
18. Increase – Augment, raise
19. Indicate – Show, suggest
20. Individual – Person, unique
21. Indulge – Gratify, pamper
22. Inevitable – Unavoidable, certain
23. Influence – Affect, sway
24. Inform – Notify, enlighten
25. Ingenious – Clever, inventive
26. Inquire – Ask, query
27. Insight – Understanding, perception
28. Inspire – Motivate, encourage
29. Instant – Immediate, momentary
30. Integrate – Combine, merge
31. Intense – Fierce, extreme
32. Intention – Purpose, objective
33. Interact – Communicate, engage
34. Interesting – Fascinating, captivating
35. Interpret – Explain, elucidate
36. Intimate – Close, familiar
37. Intricate – Complex, elaborate
38. Introduce – Present, acquaint
39. Involve – Include, entail
40. Irresistible – Enticing, alluring
41. Invaluable – Priceless, treasured
42. Inspect – Examine, scrutinize
43. Invent – Create, innovate
44. Instruct – Teach, direct
45. Imply – Suggest, hint
46. Intrepid – Fearless, courageous
47. Inquisitive – Curious, nosy
48. Incognito – Anonymous, undercover
49. Impartial – Fair, unbiased
50. Irregular – Unusual, atypical
51. Inhabit – Dwell, occupy
52. Intriguing – Captivating, fascinating
53. Insist – Demand, assert
54. Indifferent – Apathetic, unconcerned
55. Illustrate – Portray, demonstrate
56. Impactful – Influential, significant
57. Infallible – Flawless, perfect
58. Immortal – Eternal, undying
59. Impede – Hinder, obstruct
60. Impose – Enforce, establish
61. Indulgent – Lenient, permissive
62. Insufficient – Inadequate, deficient
63. Infatuated – Enamored, obsessed
64. Inhibit – Restrain, suppress
65. Interfere – Meddle, intrude
66. Inconsistent – Unreliable, erratic
67. Infinite – Boundless, limitless
68. Impulsive – Spontaneous, impetuous
69. Illuminate – Enlighten, brighten
70. Instigate – Incite, provoke
71. Incapable – Unable, incompetent
72. Inherit – Receive, acquire
73. Inexperienced – Novice, unskilled
74. Intrude – Trespass, invade
75. Inflexible – Rigid, uncompromising
76. Insinuate – Suggest, imply
77. Incarcerate – Imprison, confine
78. Invincible – Unbeatable, unconquerable
79. Incite – Provoke, stimulate
80. Inspiring – Motivating, uplifting
81. Inhibit – Restrict, limit
82. Intrinsic – Inherent, innate
83. Intact – Unharmed, undamaged
84. Inquisitive – Curious, inquiring
85. Invoke – Evoke, summon
86. Inconspicuous – Unnoticeable, discreet
87. Inconvenience – Trouble, hassle
88. Incorporate – Combine, merge
89. Indemnify – Protect, secure
90. Indicate – Point out, signal
91. Indispensable – Essential, necessary
92. Individuality – Uniqueness, distinctness
93. Indolent – Lazy, inactive
94. Indomitable – Unconquerable, fearless
95. Ineffable – Indescribable, unspeakable
96. Inert – Inactive, lifeless
97. Inexpressible – Unutterable, unspeakable
98. Icy – Frosty, chilly
99. Iconic – Legendary, symbolic
100. Illuminated – Bright, radiant
Please note that some words may have multiple synonyms, and the synonyms provided here are just a few examples for each word.