effectiveness
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B2 noun /ɪˈfɛktɪvnəs/

effectiveness

Meaning
the degree to which something is successful in producing a desired result.
Example
The effectiveness of the new policy is still being evaluated.
B2 noun /ˌek.spɪˈdɪʃ.ən/

Expedition

Meaning
a journey undertaken by a group of people with a particular purpose; organized trip for exploration
Example
The mountain climbing expedition required months of careful planning and preparation.
B2 adjective /ɪˈkwɪv.ə.lənt/

Equivalent

Meaning
equal in value, amount, function, or meaning; having the same effect or result
Example
This amount is equivalent to ten dollars.
B2 noun ˌiːkəˈlɒdʒɪkəl ˈbæləns

ecological balance

Meaning
A state of dynamic equilibrium within a community of organisms.
Example
Maintaining ecological balance is essential for a sustainable planet.
B2 noun /ˌɛvəˈluːʃən/

evolution

Meaning
the gradual development of something, especially from a simple to a more complex form
Example
The theory of evolution explains how species change over time.
B2 adjective /ɪnˈtaɪtəld/

entitled

Meaning
having the right to do or have something; feeling deserving of special treatment
Example
Employees are entitled to paid leave.
B2 noun /ɪkˈspəʊʒər/

exposure

Meaning
the state of being exposed to contact with something, especially harmful
Example
Prolonged exposure to the sun can damage your skin.
B2 noun /ɪnˌsaɪkləˈpiːdiə/

encyclopedia

Meaning
a book or set of books containing information on many subjects, usually arranged alphabetically
Example
She used an encyclopedia to complete her school project.
B2 noun /ˌɛkspɜːˈtiːz/

expertise

Meaning
Expert knowledge or skill in a particular area.
Example
His expertise in graphic design is widely recognized.
B2 noun /ˈɜːθ.wɜːm/

Earth-worm

Meaning
a segmented worm that lives in soil and helps decompose organic matter
Example
The gardener was happy to find many earthworms in the soil.
B2 adjective /ɪkˈskluːdɪd/

Excluded

Meaning
not included; left out; barred from participation
Example
He felt excluded from the group activities and conversations.
B2 adjective /ɪˈtɜː.nəl/

Eternal

Meaning
lasting or existing forever; without end or beginning; everlasting
Example
Their love seemed eternal and unbreakable.
B2 noun /ˈɛθɪks/

ethics

Meaning
moral principles that govern a person's behavior or the conduct of an activity
Example
Business ethics require companies to act fairly and responsibly.
B2 noun /ˈem.ər.əld/

Emerald

Meaning
a bright green precious stone used in jewelry
Example
The emerald necklace sparkled in the sunlight.
B2 verb /ɪnˈdɔːrs/

endorse

Meaning
To give approval or support to someone or something; to publicly recommend.
Example
The celebrity endorsed the new skincare product.
B2 adverb /ɪˈfɪʃəntli/

efficiently

Meaning
in a way that achieves maximum productivity with minimum wasted effort or expense
Example
She managed to complete the task efficiently within the deadline.
B2 noun /ɪˈstæblɪʃmənt/

establishment

Meaning
An organization, business, or system; the act of setting something up.
Example
The restaurant is a new establishment in town.
B2 noun /ɪˈrʌp.ʃən/

Eruption

Meaning
a sudden violent occurrence or outburst; volcanic explosion
Example
The volcanic eruption forced thousands of people to evacuate the area.
B2 adjective /ɪˈmɜːrdʒɪŋ/

emerging

Meaning
becoming known, developing, or starting to exist
Example
Bangladesh is one of the fastest emerging economies in the world.
B2 verb /ɪˈlɛkt/

elect

Meaning
To choose someone for a position or office by voting.
Example
The citizens elected a new president.
B2 noun /ɪˈliːt/ or /eɪˈliːt/

elite

Meaning
A select group that is superior in terms of ability or qualities.
Example
Only the elite were invited to the exclusive event.
B2 noun /ˈɛmbəsi/

embassy

Meaning
the official residence or offices of an ambassador
Example
He works at the French embassy in Dhaka.
B2 noun ɪˈroʊʒən

erosion

Meaning
The gradual destruction or diminishing of something.
Example
Power struggles often lead to the erosion of humanity.
B2 verb /ɪnˈhæns/

enhance

Meaning
to improve the quality, value, or extent of something
Example
The new features will enhance the user experience.
B2 noun /iːz/

Ease

Meaning
absence of difficulty or effort; comfort and relaxation
Example
After years of practice, she played the piano with great ease.
B2 noun /ˌɛksɪˈkjuːʃən/

execution

Meaning
the act of carrying out a plan, order, or legal sentence
Example
The success of a project depends on its proper execution.
B2 verb /ɪkˈspɛl/

expel

Meaning
to officially force someone to leave a place or organization
Example
The student was expelled from school for misconduct.
B2 verb /ɪkˈstrækt/

extract

Meaning
to remove or take out something, often with effort
Example
The dentist had to extract the damaged tooth.
B2 noun /iˈkɒlədʒɪst/

ecologist

Meaning
A scientist who studies the relationships between living organisms and their environment.
Example
The ecologist studied the effects of pollution on the forest ecosystem.
B2 adverb /ɪkˈskluːsɪvli/

exclusively

Meaning
only; not shared with others
Example
This service is available exclusively to premium members.
B2 adjective /ɪkˈsprɛsɪv/

expressive

Meaning
Effectively conveying thought or feeling.
Example
Her eyes were so expressive that no words were needed.
B2 adjective ˈel.ɪ.dʒə.bəl

eligible

Meaning
Having the right to do or obtain something through satisfaction of the appropriate conditions.
Example
Only eligible candidates are considered for appointments.
B2 verb ˈel.ɪ.veɪt

elevate

Meaning
To lift to a higher position; to raise to a more important or impressive level.
Example
Good leadership can elevate team performance.
B2 verb /ɪkˈskluːd/

exclude

Meaning
To deliberately leave out or prevent someone or something from being included.
Example
The list excludes temporary workers.
B2 adjective ˈeθ.ɪ.kəl

ethical

Meaning
Relating to moral principles or the branch of knowledge dealing with these.
Example
Ethical considerations guide decisions.
B2 adjective /ɪkˈstɪr.i.ər/

Exterior

Meaning
relating to the outside part or surface of something; outer
Example
The exterior of the building was painted in bright colors.
B2 verb /ɪkˈspaɪər/

expire

Meaning
to come to an end, especially a period of validity or life
Example
My passport will expire next month.
B2 adjective /ɪɡˈzɔː.stɪd/

exhausted

Meaning
Extremely tired; having no energy left.
Example
Feeling exhausted after waking up is common.
B2 noun /ˈaɪ.bɔːl/

Eyeball

Meaning
the round part of the eye within the eyelids and socket
Example
The doctor examined his eyeball carefully.
B2 adverb /ɪˈməʊʃənəli/

emotionally

Meaning
in a way that relates to a person's feelings or emotions
Example
She became emotionally attached to her pet.
B2 verb /ɪnˈkaʊntər/

encounter

Meaning
to unexpectedly meet someone or experience something, especially something difficult or new
Example
During the hike, we encountered a wild bear.
B2 adjective ˈɛvɪdənt

evident

Meaning
Clearly seen or understood; obvious.
Example
The result was evident.
B2 noun ɪkˈspænʃən

expansion

Meaning
The action of becoming larger or more extensive; growth or development.
Example
Volunteering helps in the expansion of social networks.
B2 noun /ˈaɪ.saɪt/

Eyesight

Meaning
the ability to see; vision
Example
Regular eye checkups are important for maintaining good eyesight.
B2 verb /ɪnˈteɪl/

entail

Meaning
to involve something as a necessary or inevitable part or consequence
Example
The job will entail a lot of travel across the country.
B2 verb ˈeksɪkjuːt

execute

Meaning
To carry out or put into effect a plan, order, or course of action.
Example
NASA plans to execute the mission in three phases.
B2 verb /ɛksˈheɪl/

exhale

Meaning
to breathe out air from the lungs
Example
She slowly exhaled after holding her breath.
B2 adjective /ɪɡˈzɑːtɪk/

exotic

Meaning
Unusual and attractive because it is from a foreign place or culture.
Example
The garden was filled with exotic plants from tropical countries.
B2 verb ɪˈrɛktɪŋ

erecting

Meaning
To build; construct; set up in a vertical position.
Example
The workers were erecting a new building downtown.
B2 verb /ɪˈvækjueɪt/

evacuate

Meaning
To remove people from a dangerous place to safety.
Example
The residents were ordered to evacuate the building after the fire alarm.
B2 adjective /ɪˈlæs.tɪk/

Elastic

Meaning
able to stretch and return to original shape; flexible; adaptable
Example
The elastic band can stretch and return to its original shape.
B2 verb /ɪmˈbɛd/

embed

Meaning
to fix something firmly into a surrounding mass or context
Example
The journalist was embedded with the military unit.
B2 noun /ɪɡˈzæmɪnər/

examiner

Meaning
A person who tests or inspects knowledge, skills, or qualifications
Example
The examiner reviewed each student's answer sheet carefully.
B2 verb ɪnˈhɑːnst

enhanced

Meaning
Intensify, increase, or further improve the quality, value, or extent of something.
Example
Enhanced strategies improve outcomes.
B2 noun /ˈen.ə.dʒi sɪˈkjʊə.rɪ.ti/

energy security

Meaning
The reliable availability of energy sources at an affordable price for a nation or region.
Example
Energy security ensures consistent supply.
B2 verb /ɪkˈsɛl/

excel

Meaning
to be exceptionally good at or proficient in an activity or subject
Example
She always tries to excel in her studies.
B2 noun /ˈɜːrnər/

earner

Meaning
A person who earns money through work or business
Example
She is the primary earner in her family.
B2 noun /ɪkˈses/

Excess

Meaning
an amount of something that is more than necessary, permitted, or desirable
Example
The excess food from the party was donated to the local shelter.
B2 noun /ˈɛθɪk/

ethic

Meaning
a set of moral principles, especially ones relating to a particular group, system, or profession
Example
He has a strong work ethic and always meets deadlines.
B2 adjective ɪˈvɒlvɪŋ

evolving

Meaning
Developing gradually, especially from a simple to a more complex form; changing and developing.
Example
Education plays a role in evolving societal norms.
B2 verb /ɪnˈlaɪtən/

enlighten

Meaning
to give someone greater knowledge or understanding about a subject or situation
Example
The teacher tried to enlighten the students about ancient history.
B2 verb /ɪnˈroʊl/

enrol

Meaning
To officially register or sign up for a course, program, or membership
Example
She decided to enrol in a language course to improve her skills.
B2 adjective /ˌiːkəˈnɒmɪkl/

economical

Meaning
Careful in the use of resources; providing good value or efficiency.
Example
Driving a hybrid car is economical in the long run.
B2 verb, noun /ɪnˈdevər/

endeavour

Meaning
To try hard to achieve something; an attempt or effort
Example
She endeavoured to finish the project on time.
B2 verb/noun /ɪɡˈzɪbɪt/

exhibit

Meaning
To display or show publicly; something put on display.
Example
The museum will exhibit ancient artifacts.
B2 noun /ɪnˈθuziæst/

enthusiast

Meaning
a person who is very interested in a particular activity or subject
Example
He is a football enthusiast and watches every match.
B2 verb /ˈɛskɔrt/

escort

Meaning
to accompany someone; to guide or protect while going somewhere
Example
The guard escorted the visitor to the office.
B2 noun ˌel.ɪ.dʒəˈbɪl.ə.ti

eligibility

Meaning
The state of having the right to do or obtain something through satisfaction of the appropriate conditions.
Example
Eligibility criteria maintain fairness.
B2 noun /ˌek.spekˈteɪ.ʃən/

Expectation

Meaning
a strong belief that something will happen or be the case; anticipation
Example
The new teacher exceeded everyone's expectations with her innovative teaching methods.
B2 adjective ˌiːkəˈlɒdʒɪkəl

ecological

Meaning
Relating to ecology or the environment.
Example
Deforestation threatens the ecological balance of the planet.
B2 verb /ɪkˈspoʊz/

expose

Meaning
to reveal or uncover; to make visible or known
Example
The investigation exposed the truth about the scandal.
B2 noun /ɪkˈskɜː.ʃən/

Excursion

Meaning
a short journey or trip, especially one engaged in as a leisure activity
Example
The school organized an excursion to the science museum for all students.
B2 adjective /ɪkˌsperɪˈmentl/

experimental

Meaning
based on untested ideas or techniques; relating to experiments or testing
Example
The scientists developed an experimental drug to treat cancer.
B2 verb /ɪˈnækt/

enact

Meaning
to make into law; to perform or act out
Example
The government decided to enact a new policy on education.
B2 adverb /ɪkˈsplɪsɪtli/

explicitly

Meaning
in a clear and detailed manner, leaving no room for confusion or doubt
Example
The instructions were explicitly written to avoid any confusion.
B2 noun /ˈek.oʊ/

Echo

Meaning
a sound that is reflected back; a repetition or imitation
Example
His voice created a clear echo in the empty cathedral.
B2 adverb /ɪkˈstɜrnəli/

externally

Meaning
in a way that relates to the outer surface or outside appearance
Example
The building appeared externally modern, but inside it was quite old-fashioned.
B2 verb, adjective /ɪˈlæbəreɪt/ (verb), /ɪˈlæbərət/ (adjective)

elaborate

Meaning
verb: to explain something in detail; adjective: detailed and complicated in design
Example
She asked him to elaborate on his proposal.
B2 verb /ɪnˈrɪtʃ/

enrich

Meaning
To improve or enhance the quality or value of something.
Example
Space exploration enriches human understanding.
B2 noun /ˈɜːnɪŋz/

earnings

Meaning
money obtained in return for labor or services
Example
Her monthly earnings are enough to support her family.
B2 verb /ɪɡˈzɔːst/

exhaust

Meaning
to tire out completely; to use up resources
Example
The long journey exhausted the children.
B2 adjective /ɪkˈstɜːr.nəl/

External

Meaning
coming from or relating to the outside; not belonging to or originating from within
Example
The company hired external consultants to review their business strategy.
B2 noun ˈekwɪti

equity

Meaning
The value of the shares issued by a company.
Example
Owning equity in a company can yield significant returns.
B2 noun ˈɛmpəθi

empathy

Meaning
The ability to understand and share the feelings of another person.
Example
Empathy helps students connect with society.
B2 verb /ɪkˈsploʊd/

explode

Meaning
to burst or shatter violently and noisily as a result of rapid combustion or pressure
Example
The bomb exploded in the middle of the street.
B2 noun /ɪnˈdɔːrs.mənt/

endorsement

Meaning
A public or official statement of support or approval.
Example
The celebrity's endorsement increased the product's sales.
B2 noun /ɪˈmɜːrdʒəns/

emergence

Meaning
the process of coming into view, existence, or prominence
Example
The emergence of new technologies has transformed communication.
B2 noun ɪˈmɪʃ.ən

emission

Meaning
The release or discharge of gases, particles, or other substances into the environment.
Example
Car manufacturers are reducing carbon emissions.
B2 noun ˈiː.kəʊˌsɪs.təm

ecosystem

Meaning
A biological community of interacting organisms and their physical environment.
Example
A balanced ecosystem is crucial for environmental sustainability.
B2 noun /ɪmˈbærəsmənt/

embarrassment

Meaning
a feeling of self-consciousness, shame, or awkwardness
Example
Her face turned red with embarrassment after the mistake.
B2 noun /ˌɛdɪˈtɔːriəl/

editorial

Meaning
A newspaper article expressing the opinion of the editor or publisher.
Example
The newspaper published an editorial criticizing government policy.
B2 noun ˈikoʊ ˈfrɛndli tɛkˈnɑləʤiz

eco-friendly technologies

Meaning
Technologies that are designed to minimize environmental impact and promote sustainability.
Example
Eco-friendly technologies can mitigate pollution.
B2 noun /ˈɛksələns/

excellence

Meaning
the quality of being outstanding or extremely good
Example
The school is known for its academic excellence.
B2 noun /ɪkˈsploʊʒən/

explosion

Meaning
a violent burst or release of energy, often causing damage and noise
Example
The explosion shook the entire neighborhood.
B2 adverb /ˌiːkəˈnɒmɪkli/

economically

Meaning
in a way that relates to economics or is efficient and not wasteful.
Example
The company is trying to operate more economically this year.
B2 adjective /ˈiːtəbl̩/

eatable

Meaning
suitable or safe for eating
Example
The berries are not only eatable but also quite tasty.
B2 adjective /ɪkˈskluːsɪv/

exclusive

Meaning
restricted to a particular person, group, or area; not shared with others
Example
The hotel offers exclusive access to a private beach.
B2 verb /ɪɡˈzædʒəˌreɪt/

exaggerate

Meaning
to describe something as better, worse, or more important than it really is
Example
He tends to exaggerate his achievements.
B2 noun /ˈes.əns/

Essence

Meaning
the intrinsic nature or indispensable quality of something
Example
The essence of good teaching is the ability to inspire students.
B2 noun ˌeksplɔɪˈteɪʃən

exploitation

Meaning
The action of making use of and benefiting from resources, often in an unfair or selfish way.
Example
Exploitation of marine resources has led to significant damage.
B2 noun /ˈet.ɪ.kət/

Etiquette

Meaning
the customary code of polite behavior in society or among members of a particular profession
Example
Proper etiquette requires standing when a lady enters the room.
B2 noun /ɪˈlɛktrɪk drɪl/

Electric drill

Meaning
A power tool used for drilling holes in various materials
Example
He used an electric drill to make holes in the wall for hanging pictures.
B2 noun /ˈɛseɪ/

essay

Meaning
A short piece of writing on a particular subject.
Example
She wrote an essay about climate change.
B2 noun ɪˌlɪm.ɪˈneɪ.ʃən

elimination

Meaning
The complete removal or destruction of something.
Example
The elimination of emissions is a priority.
B2 noun /ˈiː.ɡoʊ/

Ego

Meaning
a person's sense of self-esteem or self-importance
Example
His big ego prevented him from accepting criticism from others.
B2 adjective /ɪnˈdjʊər.ɪŋ/

Enduring

Meaning
lasting; permanent; continuing for a long time
Example
Their enduring friendship lasted for decades.
B2 verb /ɪmˈbreɪs/

embrace

Meaning
to hold someone closely in your arms; to accept willingly
Example
She embraced her friend at the airport.
B2 adjective ɪkˈsep.ʃən.əl

exceptional

Meaning
Unusually good; outstanding; forming an exception; not typical.
Example
Exceptional talent drives innovation.
B2 noun /ɪɡˌzædʒ.əˈreɪ.ʃən/

Exaggeration

Meaning
a statement that represents something as better or worse than it really is
Example
His story about the fish he caught was clearly an exaggeration.
B2 noun ˈiːkoʊˌtʊrɪzəm

Eco-tourism

Meaning
A form of tourism involving responsible travel to natural areas that conserves the environment and improves the well-being of local people.
Example
Eco-tourism promotes responsible travel to natural areas.
B2 noun ɪnˌvaɪrənˈmɛntəl ˌdɛɡrəˈdeɪʃən

environmental degradation

Meaning
The deterioration of the environment through depletion of resources and destruction of ecosystems.
Example
Environmental degradation threatens biodiversity.
B2 noun /ɪkˈspen.dɪ.tʃər/

expenditure

Meaning
The action of spending funds; an amount of money spent.
Example
Managing expenditure is critical for budgeting.
B2 adjective /ɪkˈsploʊsɪv/

explosive

Meaning
able to cause an explosion; likely to burst out suddenly
Example
The situation became explosive after the argument.
B2 noun /ˌek.əˈnɒm.ɪk səˌsteɪ.nəˈbɪl.ə.ti/

economic sustainability

Meaning
The ability of an economy to support a defined level of economic production indefinitely.
Example
Economic sustainability drives long-term growth.
B2 verb /ɪmˈpaʊər/

empower

Meaning
To give someone the power or authority to do something; to make someone stronger or more confident.
Example
Education can empower people to improve their lives.
B2 verb /ɪnˈlɑːrdʒ/

enlarge

Meaning
to make something bigger or increase in size
Example
They decided to enlarge their house.
B2 noun /ˌekspləˈreɪʃən/

exploration

Meaning
the action of traveling through or studying an area to learn more about it
Example
Space exploration has expanded our understanding of the universe.
B2 verb /ɪnˈdeɪndʒər/

endanger

Meaning
To put someone or something at risk or in danger.
Example
Cutting down forests can endanger many species of animals.
B2 noun /ɪˈkweɪʒən/

equation

Meaning
a mathematical statement that shows the equality of two expressions
Example
He solved the equation to find the value of x.
B2 noun /ˈen.tə.praɪz/

Enterprise

Meaning
a project or undertaking, especially a bold or complex one
Example
The space exploration enterprise required years of planning and preparation.
B2 noun /ɪnˈfɔːrsmənt/

enforcement

Meaning
the act of making sure that laws or rules are followed
Example
The police are responsible for law enforcement.