Necessary Vocabulary O




   Past     Participle










Obey / əˈbeɪ / (বে) v {মান্য করা বা মেনে চলা} [to do what you are told or ordered to do by someone in authority]: She refuses to obey the rules.



Obeyed / əˈbeɪd / (বেড্‌)


Obeyed / əˈbeɪd / (বেড্‌)


Obeys / əˈbeɪz / (বেজ্‌)


Obeying / əˈbeɪɪŋ / (বেইং)

Observe / əbˈzɜːrv / (ব্‌জআঃর্ভ্‌) v {পর্যবেক্ষণ করা} [to watch somebody/ something carefully, mainly in order to learn more about them]:


Observed / əbˈzɜːrvd / (ব্‌জআঃর্ভ্‌)

Observed / əbˈzɜːrvd / (ব্‌জআঃর্ভ্‌)

Observes / əbˈzɜːrvz / (ব্‌জআঃর্ভজ্‌): She observes keenly but says little.


Observing / əbˈzɜːrvɪŋ / (ব্‌জআঃর্ভিং)

Obtain / əbˈteɪn / (ব্‌ঠেন্‌) v {পাওয়া বা অর্জন করা} [to get something, mainly asking for it, buying it, working for it, etc.]: It is necessary to obtain the parents' consent.


Obtained / əbˈteɪnd / (ব্‌ঠেন্ড্‌‌)

Obtained / əbˈteɪnd / (ব্‌ঠেন্ড্)

Obtains / əbˈteɪnz / (ব্‌ঠেনজ্‌)

Obtaining / əbˈteɪnɪŋ / (ব্‌ঠেনিং)

Occupy / ˈɑːkjupaɪ / (অঃকিউপা) v { অধিকার করা; দখলে রাখা} [to move into and take control or possession of a place, especially by military force]:


Occupied / ˈɑːkjupaɪd / (অঃকিউপাড্‌): Protesting students occupied the TV station.


Occupied / ˈɑːkjupaɪd / (অঃকিউপাড্‌)

Occupies / ˈɑːkjupaɪz / (অঃকিউপা)

Occupying / ˈɑːkjupaɪɪŋ / (অঃকিউপাইং)

Offend / əˈfend / (ফেন্ড্‌) v {অন্যায় করা; মনে কষ্ট দেয়া} [to make someone feel upset or angry because of something you say or do that is rude or embarrassing]:


Offended / əˈfendɪd / (ফেন্ডিড্‌): He was very sensitive and easily offended.


Offended / əˈfendɪd / (ফেন্ডিড্‌)

Offends / əˈfendz / (ফেন্ডজ্‌)

Offending / əˈfendɪŋ / (ফেন্ডিং)

Open / ˈoʊpən / (ঔপন্‌) v {খোলা; খুলে দেওয়া} [not closed or fastened]: You left the door open.

Opened / ˈoʊpənd / (ঔপন্ড্‌)

Opened / ˈoʊpənd / (ঔপন্ড্‌)

Opens / ˈoʊpənz / (ঔপনজ্‌): The festival opens on Sunday, December 15.


Opening / ˈoʊpənɪŋ / (ঔপনিং)

Operate / ˈɑːpəreɪt / (অঃপরেঠ্) v {চালানো; পরিচালনা করা} [to work, be in action or have an effect]: The machinery is easy to operate.


Operated / ˈɑːpəreɪtɪd / (অঃপরেঠিড্‌)

Operated / ˈɑːpəreɪtɪd / (অঃপরেঠিড্‌)

Operates / ˈɑːpəreɪts / (অঃপরেঠছ্‌)

Operating / ˈɑːpəreɪtɪŋ / (অঃপরেঠিং)

Oppose / əˈpoʊz / (পৌজ্‌) v {বিরোধিতা করা; আপত্তি করা} [to disagree with something or someone's plan, policy, etc. and try to change it or prevent it from succeeding]:


Opposed / əˈpoʊzd / (পৌজড্‌)

Opposed / əˈpoʊzd / (পৌজড্‌): The ban was initially opposed by the USA.


Opposes / əˈpoʊzɪz / (পৌজিজ্‌)

Opposing / əˈpoʊzɪŋ / (পৌজিং)

Order / ˈɔːrdər / (ওঃর্ডর্‌) v {আদেশ করা} [to ask for something to eat or drink, supplied, or delivered, mainly in a restaurant, bar, shop, etc.]:


Ordered / ˈɔːrdərd / (ওঃর্ডর্ড্‌): He ordered himself a double beer.


Ordered / ˈɔːrdərd / (ওঃর্ডর্ড্‌)

Orders / ˈɔːrdərz / (ওঃর্ডর্জ্‌)

Ordering / ˈɔːrdərɪŋ / (ওঃর্ডরিং)

Organize /

ˈɔːrɡənaɪz / (ওঃর্গনআজ্‌) v {সংগঠিত করা} [to make arrangements for something to happen or to be provided]:

Organized / ˈɔːrɡənaɪzd / (ওঃর্গনআজড্‌): They organized a meeting between the teachers and students.


Organized / ˈɔːrɡənaɪzd / (ওঃর্গনআজড্‌): The initial mobilization was well organized.

Organizes / ˈɔːrɡənaɪzɪz / (ওঃর্গনআজিজ্‌)

Organizing / ˈɔːrɡənaɪzɪŋ / (ওঃর্গনআজিং): The students are organizing a protest march.

Overcome / ˌoʊvərˈkʌm / (ঔভরখাম্‌) v {পরাভূত করা; দমন করা} [to succeed in controlling or dealing with something that has been preventing you from achieving something]:


Overcame / ˌoʊvərˈkeɪm / (ঔভরখেম্‌): He overcame injury to win the Olympic gold medal.


Overcome / ˌoʊvərˈkʌm / (ঔভরখাম্‌)

Overcomes / ˌoʊvərˈkʌmz / (ঔভরখাম্‌জ্‌)

Overcoming / ˌoʊvərˈkʌmɪŋ / (ঔভরখামিং)

Overwhelm / ˌoʊvərˈwelm / (র্‌ওএলম্‌) v {গুড়িয়ে দেওয়া; আচ্ছন্ন করা} [to have such a strong emotional effect on someone that it is difficult for them to resist or know how to react]:


Overwhelmed / ˌoʊvərˈwelmd / (র্‌ওএলম্‌ড্‌): He felt completely overwhelmed.

Overwhelmed / ˌoʊvərˈwelmd / (র্‌ওএলম্‌ড্‌)

Overwhelms / ˌoʊvərˈwelmz / (র্‌ওএলম্‌জ্‌)

Overwhelming / ˌoʊvərˈwelmɪŋ / (র্‌ওএলমিং)

Overcrowd / ˌoʊvərˈkraʊd / (ঔভর্‌ক্রাড্‌) v {অতিমাত্রায় ভিড় করা} [to fill (a room, vehicle, city, etc.) with more people or things than is desirable]: Do not overcrowd the fridge or it will not cool as effectively.


Overcrowded / ˌoʊvərˈkraʊdɪd / (ঔভর্‌ক্রাডিড্‌)

Overcrowded / ˌoʊvərˈkraʊdɪd / (ঔভর্‌ক্রাডিড্‌)

Overcrows / ˌoʊvərˈkraʊdz / (ঔভর্‌ক্রাড্‌জ্‌)

Overcrowing / ˌoʊvərˈkraʊdɪŋ / (ঔভর্‌ক্রাডিড্‌)

Overdo / ˌoʊvərˈduː / (ঔভার্‌ডূ) v {বাড়াবাড়ি করা; অতিরজ্ঞত করা} [to do, use, or say something in a way that is to exaggerate]:


Overdid / ˌoʊvərˈdudɪd / (ঔভার্‌ডিড্‌)

Overdone / ˌoʊvərˈdʌn / (ঔভার্ডান্‌)

Overdoes / ˌoʊvərˈdʌz / (ঔভার্‌ডাজ্‌)

Overdoing / ˌoʊvərˈduːɪŋ / (ঔভার্‌ডূইং)

Overdose / ˈoʊvərdoʊs / (ঔভর্‌ডৌজ্‌) v {অতিমাত্রায় প্রয়োগ করা} [to take too much of a drug at one time, so that it is dangerous]:


Overdosed / ˈoʊvərdoʊst / (ঔভর্‌ডৌজ্‌ড্‌)

Overdosed / ˈoʊvərdoʊst / (ঔভর্‌ডৌজ্‌ড্‌): He had overdosed on heroin.


Overdoses / ˈoʊvərdoʊsɪz / (ঔভর্‌ডৌজিজ্‌)

Overdosing / ˈoʊvərdoʊsɪŋ / (ঔভর্‌ডৌজিং)

Overflow / ˌoʊvərˈfloʊ  / (ঔভর্‌ফ্লৌ) v {উপর দিয়ে প্রবাহিত হওয়া} [to be so full that the contents go over the sides]:

Overflowed / ˌoʊvərˈfloʊd / (ঔভর্‌ফ্লৌড্‌): The milk overflowed when I poured it into the jug.


Overflowed / ˌoʊvərˈfloʊd  / (ঔভর্‌ফ্লৌড্‌)

Overflows / ˌoʊvərˈfloʊz  / (ঔভর্‌ফ্লৌজ্‌)

Overflowing / ˌoʊvərˈfloʊɪŋ  / (ঔভর্‌ফ্লৌইং)

Overload / ˌoʊvərˈloʊd / (ঔভর্‌লৌড্‌) v {অতিরিক্ত বোঝাই করা} [to put too great things in or on something]:

Overloaded / ˌoʊvərˈloʊdɪd / (ঔভর্‌লৌডিড্‌)

Overloaded / ˌoʊvərˈloʊdɪd / (ঔভর্‌লৌডিড্‌): He has overloaded with responsibilities.


Overloads / ˌoʊvərˈloʊdz / (ঔভর্‌লৌডজ্‌)

Overloading / ˌoʊvərˈloʊdɪŋ / (ঔভর্‌লৌডিং)

Overlook / ˌoʊvərˈlʊk / (ঔভরলুক্‌) v {উপেক্ষা করা} [to fail to notice or consider something or somebody]:


Overlooked / ˌoʊvərˈlʊkt / (ঔভরলুক্‌ঠ্‌)

Overlooked / ˌoʊvərˈlʊkt / (ঔভরলুক্‌ঠ্‌): The importance of this should not be overlooked.


Overlooks / ˌoʊvərˈlʊks / (ঔভরলুক্‌ছ্‌)

Overlooking / ˌoʊvərˈlʊkɪŋ / (ঔভরলুকিং)

Overrule / ˌoʊvərˈruːl / (ঔভর্‌রূল্‌) v {বাতিল বা খারিজ করা} [to decide against a decision that has already been made]:

Overruled / ˌoʊvərˈruːld / (ঔভর্‌রূল্ড্‌)

Overruled / ˌoʊvərˈruːld / (ঔভর্‌রূল্ড্‌): The verdict was overruled by the Supreme Court.


Overrules / ˌoʊvərˈruːlz / (ঔভর্‌রূল্জ)

Overruling / ˌoʊvərˈruːlɪŋ / (ঔভর্‌রূলিং)

Overtake / ˌoʊvərˈteɪk / (ঔভর্‌ঠেখ্‌) v {পিছনে ফেলে যাওয়া} [to come from behind another moving vehicle or a person ahead of you because you are going faster than they are]: The red car was pulling out ready to overtake.


Overtook / ˌoʊvərˈtʊk / (ঔভর্‌ঠুক্‌)

Overtaken / ˌoʊvərˈteɪkən / (ঔভর্‌ঠেন্‌)

Overtakes / ˌoʊvərˈteɪks / (ঔভর্‌ঠেখ্‌ছ্‌)

Overtaking / ˌoʊvərˈteɪkɪŋ / (ঔভর্‌ঠেখিং)

Overturn / ˌoʊvərˈtɜːrn / (ঔভর্‌ঠাঃর্ন্‌) v {উল্টে যাওয়া} [if something overturns, it turns upside down or on its side]:


Overturned / ˌoʊvərˈtɜːrnd / (ঔভর্‌ঠাঃর্ন্‌ড্‌): The bus skidded and overturned.


Overturned / ˌoʊvərˈtɜːrnd / (ঔভর্‌ঠাঃর্ন্‌ড্‌)

Overturns / ˌoʊvərˈtɜːrnz / (ঔভর্‌ঠাঃর্ন্‌জ্‌)

Overturning / ˌoʊvərˈtɜːrnɪŋ / (ঔভর্‌ঠাঃর্নিং)

Oversee / ˌoʊvərˈsiː / (ঔভর্‌ছী) v {দেখাশোনা করা; তত্ত্বাবধান করা} [to watch or organize somebody/ something and make sure that a job or an activity is being done correctly]:


Oversaw / ˌoʊvərˈsɔː / (ঔভর্‌ছো): She personally oversaw the design of all rooms.


Overseen / ˌoʊvərˈsiːn / (ঔভর্‌ছীন্‌)

Oversees / ˌoʊvərˈsiːz / (ঔভর্‌ছীজ্‌)

Overseeing / ˌoʊvərˈsiːɪŋ / (ঔভর্‌ছীইং)

Overrun / ˌoʊvərˈrʌn / (ঔভর্‌রান্‌) v {ছড়িয়ে পরা বা ভর্তি হোয়ে যাওয়া} [(mainly unwanted something) to fill or spread over an area quickly and in large numbers]:


Overran / ˌoʊvərˈ ræn / (ঔভর্‌র‍্যান)

Overrun / ˌoʊvərˈrʌn / (ঔভর্‌রান্): The kitchen is completely overrun with cockroaches.

Overruns / ˌoʊvərˈrʌnz / (ঔভর্‌রানজ্‌)

Overruning / ˌoʊvərˈrʌnɪŋ / (ঔভর্‌রানিং)

Oblige / əˈblaɪdʒ / (ব্‌লাজ্‌) v {বাধ্য করা} [to force someone to do something, by law, because it is a duty, etc.]:


Obliged / əˈblaɪdʒd / (ব্‌লাজ্‌ড্‌): I felt obliged to ask them to dinner.


Obliged / əˈblaɪdʒd / (ব্‌লাজ্‌ড্‌)

Obliges / əˈblaɪdʒɪz / (ব্‌লাজিজ্‌)

Obliging / əˈblaɪdʒɪŋ / (ব্‌লাজিং)

Obstruct / əbˈstrʌkt / (বস্ট্রাক্ট্‌) v {বাধা দেওয়া; পথরোধ করা} [to block a road, passage, entrance, etc. so that someone/ something cannot get through, see past, etc.]:


Obstructed / əbˈstrʌktɪd / (বস্ট্রাক্টিড্‌): The pillar obstructed our view of the stage.

Obstructed / əbˈstrʌktɪd / ()

Obstructs / əbˈstrʌkts / (বস্ট্রাক্ট্‌ছ্‌)

Obstructing / əbˈstrʌktɪŋ / (বস্ট্রাক্টিং)

Occur / əˈkɜːr / (কাঃর্‌) v {ঘটা; সংঘটিত হওয়া} [to happen]:

Occurred / əˈkɜːrd / (কাঃর্ড্‌): Something unexpected occurred.


Occurred / əˈkɜːrd / (কাঃর্ড্‌)

Occurs / əˈkɜːrz / (কাঃর্জ্‌)

Occurring / əˈkɜːrɪŋ / (কাঃরিং)

Offer / ˈɑːfər / (আঃফর্‌) v {প্রস্তাব করা} [to say that you are willing to do something for someone or give something to someone]:


Offered / ˈɑːfərd / (আঃফর্ড্‌): He offered drinks to her guests.

Offered / ˈɑːfərd / (আঃফর্ড্‌)

Offers / ˈɑːfərz / (আঃফর্জ্‌)

Offering / ˈɑːfərɪŋ / (আঃফরিং)

Omit / əˈmɪt / (মিঠ্‌) v {বাদ দেওয়া} [to not include someting/ someone, either deliberately or because you have forgotten it/ them]:

 <SYN> Leave out


Omitted / əˈmɪtɪd / (মিঠিড্‌)

Omitted / əˈmɪtɪd / (মিঠিড্‌): She was controversially omitted from the World Cup side.

Omits / əˈmɪts / (মিঠ্‌ছ্‌)

Omitted / əˈmɪtɪŋ / (মিঠিং)

Oppress / əˈpres / (প্রেছ্‌) v {পীড়ন করা; দমন করা} [to treat someone in a cruel and unfair way, mainly by not giving them the same freedom, rights, etc. as other people]:


Oppressed / əˈprest / (প্রেছ্‌ঠ্‌)

Oppressed / əˈprest / (প্রেছ্‌ঠ্‌)

Oppresses / əˈpresɪz / (প্রেছিজ্‌)

Oppressing / əˈpresɪŋ / (প্রেছিং)

Ostracize / ˈɑːstrəsaɪz / (আঃছ্‌ঠ্রাছাজ্‌) v {এক ঘরে করা} [to refuse to let someone be a member of a social group or to refuse to meet or talk to someone]:

 <SYN> Shun


Ostracized / ˈɑːstrəsaɪzd / (আঃছ্‌ঠ্রাছাজ্‌ড্‌)

Ostracized / ˈɑːstrəsaɪzd / (আঃছ্‌ঠ্রাছাজ্‌ড্‌)

Ostracizes / ˈɑːstrəsaɪzɪz / (আঃছ্‌ঠ্রাছাজিজ্‌)

Ostracizing / ˈɑːstrəsaɪzɪŋ / (আঃছ্‌ঠ্রাছাজিং)

Owe / / () v {ঋণী থাকা} [to have to pay someone for something that you have already received or return money that you have borrowed]:


Owed / oʊd / (ঔড্‌)

Owed / oʊd / (ঔড্‌)

Owes / oʊz / (ঔজ্‌): He still owes $2000 to his father.

Owing / oʊɪŋ / (ঔইং)

Own / oʊn / (ঔন্‌) v {অধিকারী হওয়া; মালিক হওয়া} [to have  something that belongs to you, mainly because you bought it]:


Owned / oʊnd / (ঔন্ড্‌)

Owned / oʊnd / (ঔন্ড্‌): I have never owned a car in my life.

Owns / oʊnz / (ঔন্‌জ্‌)

Owning / oʊnɪŋ / (ঔনিং)

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