| Prefix | Meaning | Examples |
|---|---|---|
| a-, an- | without | amoral– অনৈতিক, anemic- রক্তাল্পতা (৩৯তম বিসিএস প্রিলিমিনারি) |
| ante- | before | antecedent-পূর্ববর্তী, antenatal- জন্মের পূর্বকালীন, anteroom- বাড়ির সামনের ছোট ঘর, antedate |
| anti- | against, opposing | antibiotic, antidepressant, antidote- রোগ প্রতিষেধক ঐষধ |
| circum- | around | circumstance- পারিপার্শ্বিক অবস্থা, circumvent- বাস্তবায়নের পথে বাধা দেওয়া, circumnavigate- জলযানে পৃথিবী প্রদক্ষিণ করা |
| co- | with | co-worker, co-worker, co-pilot, co-operation |
| de- | off, remove | de-ice- বরফ গলা, decode, decrease, devalue- মূল্য হ্রাস, defrost-দুষার দূর করা, derail- লাইন চ্যূত করা, demotivate |
| dis- | not, opposite, reverse, away | disagree, disappear, disintegrate, disapprove |
| em-, en- | cause to, put into | embrace- আলিঙ্গন করা, encode, embed, enclose, engulf |
| epi- | upon, close to, after | epicentre, episcope, epidermis- ত্বকের বাইরের দিক |
| ex- | out of, away from, lacking, former | exhale, explosion, ex-president, ex-boyfriend, exterminate |
| extra- | beyond, more than | extracurricular, extraordinary, extra-terrestrial |
| fore- | before | forecast- পুর্বাভাস, forehead-কপাল, foresee- আগাম জানা, foreword- মুখবন্ধ, foremost- প্রধান |
| homo- | same | homosexual, homonuclear, homoplastic |
| hyper- | over, above | hyperactive- অতিমাত্রায় সক্রিয়, hyperventilate- ভয় বা উত্তেজনায় দ্রুত শ্বাস নেওয়া |
| il-, ir- | not | illogical, illegal, irresponsible |
| im- | not, without | impossible, import improper |
| in- | not, without | indefinite, inaction, insert, inside invisible |
| infra- | beneath, below | infrastructure-অবকাঠামো, infrared- অবলোহিত, infrasonic- শব্দেতর |
| inter-, intra- | between | interact, intermediate, intergalactic, intranet |
| macro- | large | macroeconomics, macromolecule |
| micro- | small | microscope, microbiology, microfilm, microwave |
| mid- | middle | midfielder, midway, midsummer |
| mis- | bad, wrong | mislead, misplace, misinterpret, misfire, mistake, misunderstand |
| mono- | one, singular | monotone- এক সুর, monolithic- এক শিলার স্তম্ভ |
| non- | not, without | nonsense, nonentity, nondescript- অদ্ভুত |
| omni- | all, every | omnibus, omnivore- সর্বভূক, omnipotent- সর্বশক্তিমান |
| para- | beside | parachute, paramedic, paradox |
| post- | after | post-mortem, postpone, post-natal |
| pre- | before | prefix, prehistory predetermine, pre-intermediate |
| pro- | for, forward, before | proactive, profess, program |
| re- | again, back | react, reappear, return, rediscover, reiterate, reunite |
| semi- | half | semicircle, semi-final, semiconscious |
| sub- | under | submerge, submarine, sub-category, subtitle |
| super | above | supersede- স্থালাভিষিক্ত করা |
| super- | above, over | superfood, superstar, supernatural, superimpose |
| therm- | heat | thermometer, thermostat, thermodynamic |
| trans- | across, beyond | transport, transnational, transatlantic |
| tri- | three | triangle, tripod, tricycle |
| un- | against, not, opposite | unnatural, undo, unequal, unusual, unfriendly, unknown |
| uni- | one | unicycle, universal, unilateral, unanimous |