| Incense | রাগিয়ে দেওয়া | Anger, Infuriate | Pacify, |
| Incentive | উদ্দীপনা | Motive, Allurement, Inducement, Spur | Dissuasion, Reluctance, Deterrence, Discouragement |
| Incessant | বিরামহীন | Ceaseless, Increasing | Intermittent, |
| Incite | উত্তেজিত করা | Instigate, (১১তম বিসিএস প্রিলিমিনারি) Provoke, Motivate, Arouse | Defer, Discourage, Restrain, Dissuade |
| Inclination | নতি, নম্রতা | Disposition, Affection, Proneness, Propensity | Neutrality, Indifference, Apathy, Unresponsive |
| Incompetent | অযোগ্য | Inefficient, Unskilled, Immature, Unqualified | Dexterous, Skilled, Ingenious, Competent |
| Incongruous | বেখাপ্পা | Inappropriate, Absurd, Ridiculous, Awkward | Compatible, Harmonious, Homogeneous, Consistent |
| Incredible | অবিশ্বাস্য | Unbelievable, Absurd | Believable, Usual |
| Indifferent | উদাসীন | Apathetic, Neutral | Enthusiastic, Biased |
| Indigence | দারিদ্র্য | Privation, Destitution, Insolvency, Penury | Affluence, Abundance, Opulence, Luxury |
| Indigenous | দেশীয় | Native, | Foreign, Exotic |
| Indigent | অভাবী | Impoverished, Poor | Wealthy, Affluent |
| Indignation | ক্রোধ | Resentment, Ire, Wrath, Rage | Modesty, Tranquility, Forbearance, Equanimity |
| Indispensable | অপরিহার্য | Essential, Expedient, Requisite, Unavoidable | Superfluous, Redundant, Needless, Tranquility |
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| Indolent | অলস | Lazy, Listless, Languid, Sluggish | Energetic, Vivacious, Prompt, Agile |
| Indomitable | অদম্য | Unconquerable, | Weak, |
| Indulge | পরিতৃপ্ত বা চরিতার্থ করা | Gratify, Pamper, Comfort, Satisfy | Annoy, Trouble, Torment, Displease |
| Inebriated | মাতাল | Drunk, Intoxicated | Sober, |
| Ineluctable | অনিবার্য | Inevitable, Inexorable | Avoidable, |
| Inept | অদক্ষ | Unskilled, Unsuitable | Skillful, Appropriate |
| Inevitable | অনিবার্য | Unavoidable, Ascertained, Imminent, Substantial | Unlikely, Doubtful, Indefinite, Uncertain |
| Infamous | জঘন্য | Notorious, | Honorable, Glorious |
| Infinitesimal | অতিক্ষুদ্র | Tiny, Microscopic | Huge, |
| Infringe | লঙ্ঘন করা | Violate, Encroach, Transgress (১৮তম বিসিএস প্রিলিমিনারি) , Trespass | Comply, Concur, Conform, Observe |
| Ingenious | উদ্ভাবন কুশল | Deft, Proficient, Dexterous, Adroit | Unskilled, Incompetent, Immature, Unqualified |
| Ingenuous | অকপট | Undisguised, Naïve, Candid, Guileless | Wily, Crafty, Perfidious, Treacherous |
| Inhibit | বাধা দেওয়া | Hinder, Prevent | Allow, Permit |
| Inimical | শত্রুভাবাপন্ন | Hostile, Antagonistic | Friendly, Amiable |
| Initiative | প্রথম পদক্ষেপ | action, drive, leadership, push | apathy, (৩৬তম বিসিএস প্রিলিমিনারি) idleness, inactivity, laziness, lethargy |
| Injurious | ক্ষতিকর | Damaging, Harmfl | Beneficial, Helful |
| Innocuous | অক্ষতিকর | Salutary, Wholesome, Innocent, Harmless | Deleterious, Baneful, Insanitary, Injurious |
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| Innumerable | অত্যাধিক | Excessive, Immoderate | Moderate, |
| Inquisitive | কৌতূহলী | Inquiring, Curious, Searching, Studious | Distracted, Negligent, Indifferent, Impassive |
| Insidious | ছলনাপূর্ণ | Deceitful, Tricky | Ingenuous, Frank |
| Insinuate | সুকৌশলে প্রবেশ করা | Communicate, Allude, Hint, Suggest | Conceal, Camouflage, Suppress, Mask |
| Insipid | স্বাদহীন | Tasteless, Vapid, Savourless, Unflavoured | Delicious, Luscious, Pungent, Piquant |
| Insolent | উদ্ধত | Arrogant, Haughty | Respectful, |
| Insolvent | দেউলিয়া | Indigent, Destitute, Bankrupt, Defaulter | Wealthy, Solvent, Affluent, Substantial |
| Insouciant | অনুদ্বিগ্ন | Carefree, | Perturbed, |
| Instigate | উস্কানী দেওয়া | Provoke, Incite | Discourage, |
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| Instil | সঞ্চারিত করা | Inculcate, Inject, Infuse, Implant | Eradicate, Extract, Eliminate, Expel |
| Integrity | সততা | Honesty, Probity | Corruption, |
| Intelligible | বোধগম্য | Comprehensible, Lucid | Vague, |
| Intense | চরম | Extreme, Powerful | Weak, Mild |
| Intensify | তীব্র করা | Increase, Heighten | Diminish, Abate |
| Intimidate | ভয় দেখানো | Frighten, Dictate, Hopeless, Irresolute | Console, Encourage, Appease, Hearten |
| Intolerance | অসহিষ্ণুতা | Bigotry, | Broad Minded, |
| Intrepid | নির্ভিক | Brave, Courageous, Valorous, Chivalrous | Sacred, Frightened, Timid, Cowardly |
| Intricate | জটিল | Tangled, Complicated, Formidable, Arduous | Regulated, Orderly, Manageable, Ductile |
| Intrigue | চক্রান্ত করা | Scheme, Conspiracy, Manipulation, Counterplot | Candour, Sincerity, Bluntness, Honesty |
| Intrinsic | সহজাত | Genuine, Fundamental, Inherent, Congenital | Extraneous, Incidental, Extrinsic, Derived |
