| Invective | গালিগালাজ | Accusation, Censure, Malediction, Denunciation | Approval, Acclamation, Admiration, Approbation |
| Invincible | অজেয় | Unconquerable, Impregnable, Unsubdued, Unbeatable | Effeminate, Languid, Crippled, Fragile |
| Ire | ক্রোধ | Anger, Wrath | Goodwill, |
| Irregular | নিয়ম বহির্ভূত | Unconventional, Usual | Normal Niform, |
| Irrelevant | অপ্রাসঙ্গিক | Impertinent, Extraneous | Germane, Relevant |
| Irrepressible | অদম্য | Irresistible, Unconfined, Unhindered, Unshackled | Composed, Hesitant, Submissive, Grave |
| Irritable | খিটখিটে | Ill Tempered, Peevish | Genial, Affable |
| Jaded | পরিশ্রান্ত | Tired, Exhausted, Fatigued, Languish | Renewal, Recreation, Restorative, Refreshed |
| Jejune | নীরস | Dull, Boring, Uninteresting, Monotonous | Interesting, Exciting, Piquant, Thrilling |
| Jeopardy | বিপদ | Danger, Peril | Security, Safety |
| Jerr | বিদ্রুপ করা | Deride, Mock | Applaud, |
| Jocund | হাসিখুশি | Jolly, Cheerful | Sober, Grave |
| Jolly | হাসিখুশি | Jocund, Jovial | Grave, |
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| Jovial | হাসিখুশি | Frolicsome, Jolly, (১০তম বিসিএস প্রিলিমিনারি) Cheerful, Merry, Exultant | Solemn, Morose, Malcontent, Sad |
| Jubilant | বিজয়ানন্দে উৎফুল্ল | Rejoicing, Triumphant, Gay, Cheerful | Melancholy, Depressing, Gloomy, Despondent |
| Judicious | জ্ঞানী | Thoughtful, Prudent, Discerning, Discriminating | Irrational, Foolish, Misconception, Fatuous |
| Just | ন্যায়পরায়ণ | Honest, Impartial, Righteous, Upright | Unequal, Unfair, Discriminatory, Unseasonable |
| Justify | সততা প্রমাণ করা | Defend, Exculpate, Warrant, Vindicate | Impute, Arraign, Accuse, Incriminate |
| Juvenile | তরুণ | Young, Tender, Youthful, Adolescent | Dotage, Antiquated, Senile, Old |
| Keen | ব্যগ্র | Sharp, Poignant, Eager, Acute | Vapid, Insipid, Blunt, Undesiring |
| Kindred | আত্মীয়তা | Relation, Species, Relative, Affinity | Unrelated, Dissimilar, Heterogeneous, Disparate |
| Knave | বদমাশ | Dishonest, Scoundrel, Vagabond, Rogue | Paragon, Innocent, Benefactor, Idealist |
| Knell | মৃত্যুর ঘণ্টাধ্বনি | Death Knell, Last Blow, Demolish, Suppress | Reconstruction, Rediscovery, Procreation, Resurrection |
| Knotty | ঝামেলাযুক্ত | Complicated, Difficult, Arduous, Onerous | Simple, Manageable, Tractable, Flexible |
| Lackluster | নিষ্প্রাণ | Drab, Humdrum | Vivacious, |
| Laconic | সংক্ষিপ্ত | Brief, Condensed, Concise, Compact | Dilated, Profuse, Diffuse Wordy |
| Lag | খুব ধীরে চলা | Retard, Falter, Linger, Dawdle | Quicken, Accelerate, Expedite, Spurt |
| Lament | অনুশোচনা করা | Grieve, Deplore, Regret, Bemoan | Amuse, Entertain, Enliven, Solace |
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| Languid | নিস্তেজ | Pensive, Lethargic, Exhausted, Fatigued | Lively, Animated, Refreshed, Restored |
| Lassitude | অবসন্নতা | Languor, Tiredness, Weariness, Lethargy | Vivacity, Agility, Animate, Lively |
| Lasting | টেকসই | Enduring, Permanent | Momentary, |
| Laudable | প্রশংসার যোগ্য | Deserving, Honourable, Praiseworthy, Acceptable | Vicious, Blame Worthy, Venomous, Condemnable |
| Laudatory | প্রশংসামূলক | Pasting, Complimentary | Blameworthy, |
| Lavish | অমিতব্যয়ী | Abundant, Excessive, Profuse, Extravagant | Scarce, Deficient, Frugal, Conserve |
| Lax | আলগা | Slack, Careless, Negligence, Indifferent | Firm, Reliable, Meticulous, Scrupulous |
| Lazy | অলস | Idle, Indolent | Energetic, Active |
| Lenient | উদার, দয়ালু | Compassionate, Merciful, Moderate, Tolerant | Cruel, Severe, Violent, Vehement |
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| Liable | দায়ী | Accountable, Bound, Responsible, Likely | Unaccountable, Apt To, Irresponsible, Exempt |
| Liability | দায়, দায়িত্ব, বাধ্যবাধকতা | accountability, burden, culpability, debt | asset, (৩০তম বিসিএস প্রিলিমিনারি) irresponsibility, unaccountability |
| Liberal | বদান্য | Magnanimous, Hospitality, Generous, Benevolence | Stingy, Niggardly, Malevolent, Malicious |
| Liberate | মুক্ত করা | Emancipate, Rescue, Unshackle, Absolve | Suppress, Manacle, Obstruct, Detain |
| Licentious | অসচ্চরিত্র | Immoral, | Moral, |
| Linger | দেরিতে যাওয়া | Loiter, Prolong, Hesitate, Delay | Hasten, Quicken, Dart, Hurry |
| Listless | হতোদ্যম | Lazy, Inattentive, Spiritless, Incurious | Brisk, Attentive, Diligent, Agile |
| Loath | বিরূপ | Averse, Disinclined | Enthusiastic, Avid |
| Loathe | ঘৃণা | Abhor, Despise | Like, Adore |
| Loquacoous | বাচাল | Talkative, Garrulous | Taciturn, Reticent |
| Loyalty | বিশ্বস্থতা | Fidelity, Trustworthiness | Disloyalty, Falseness |
| Lucid | স্পষ্ট | Sound, Rational, Coherent, Sane, | Obscure, Hidden, Incomprehensible, Unintelligible |
| Ludicrous | হাস্যকর | Absurd, Bizarre, Preposterous, Grotesque | Balanced, Congruous, Consistent, Solemn |
| Lunacy | পাগলামী | Delusion, Insanity, Madness, Imbecility | Normalcy, Sanity, Sagacity, Shrewdness |
