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B2 verb /fraʊn/

frown

Meaning
to wrinkle one's brow in displeasure or concentration
Example
She frowned when she heard the bad news.
B2 adjective /ˈfraɪtfəl/

frightful

Meaning
causing fear or horror; very unpleasant
Example
The hikers faced frightful weather conditions on the mountain.
C1 noun /ˈflæn.əl/

Flannel

Meaning
a soft woven fabric, typically made of wool or cotton and slightly milled and raised
Example
He wore a warm flannel shirt in winter.
C1 noun /ˈfʌŋɡəs/

fungus

Meaning
a spore-producing organism feeding on organic matter, including molds, yeast, and mushrooms
Example
A strange fungus was growing on the old tree.
A2 adjective /ˈfæstɪst/

fastest

Meaning
moving or capable of moving at the highest speed
Example
Usain Bolt is the fastest runner in the world.
B2 noun /ˈfaʊn.dər/

Founder

Meaning
a person who establishes an institution or settlement; someone who starts or creates something
Example
Steve Jobs was the co-founder of Apple Inc. and revolutionized personal computing.
B2 verb ˈfɔːr.mjə.leɪt

formulate

Meaning
To create or develop a plan or idea clearly and specifically, to construct an idea or strategy clearly.
Example
The company must formulate a strategy for expansion.
C2 adjective /ˈfluːviəl/

fluvial

Meaning
relating to or found in a river
Example
The fluvial deposits indicated the presence of an ancient river system.
C1 verb /flaʊt/

flout

Meaning
To openly disregard or show contempt for a rule or law.
Example
The company was fined for flouting environmental regulations.
C2 noun /ˈfʌŋkʃəˌnɛri/

functionary

Meaning
a person who has official duties in an organization, especially one with little authority
Example
The minor functionary was responsible for filing reports.
C1 verb /ˈfʌmbəl/

fumble

Meaning
to handle something clumsily or to make mistakes while doing something
Example
He fumbled with the keys and dropped them on the floor.
C1 verb /fɔːrˈɡoʊ/

forgo

Meaning
to decide not to do or have something
Example
She decided to forgo dessert to maintain her diet.
C2 adjective /fəˈloʊniəs/

felonious

Meaning
relating to or involved in serious criminal activity
Example
He was charged with felonious assault after the incident.
C1 noun /ˈfen.jʊ.griːk/

Fenugreek

Meaning
an herb whose seeds and leaves are used as a spice in cooking
Example
Fenugreek seeds have a slightly bitter taste and are commonly used in Indian cuisine.
C2 noun /ˈfiːəlti/

fealty

Meaning
loyalty or allegiance, especially to a sovereign or lord
Example
The knight swore fealty to his king.
C1 noun /ˈfjuː.tʃə.rɪst/

futurist

Meaning
A person who studies or predicts the future, especially trends in science, technology, or society.
Example
The futurist predicted major changes in transportation within the next decade.
B2 verb /fʊlˈfɪl/

fulfill

Meaning
to complete or accomplish something, especially a task or promise
Example
He worked hard to fulfill his dreams.
C1 verb /feɪn/

feign

Meaning
to pretend or fake; to give a false appearance of
Example
She feigned illness to avoid going to work.
C1 noun /foʊ/

foe

Meaning
an enemy or opponent
Example
The knight fought bravely against his foe.
B1 noun/verb /ˈfaɪtɪŋ/

fighting

Meaning
the act of engaging in a physical or verbal conflict
Example
The soldiers were fighting bravely on the battlefield.
C2 noun /ˈfriːˌθɪŋkər/

freethinker

Meaning
A person who forms opinions based on reason and independent thought rather than tradition or authority.
Example
Voltaire was considered a great freethinker of his time.
C2 verb /ˈfɛstər/

fester

Meaning
to become worse or more intense, often through neglect or infection
Example
If grievances are ignored, they may fester into resentment.
B2 adjective /ˈfɔːrtʃənət/

fortunate

Meaning
Having good luck or receiving something desirable by chance.
Example
She was fortunate to escape the accident without injuries.
C2 noun /flɛk/

fleck

Meaning
a small spot or mark, often of a different color
Example
There was a fleck of paint on the floor.
A2 number /ˈfɪfti/

fifty

Meaning
the number 50
Example
The stadium can hold fifty thousand people.
A1 noun /fuːd/

food

Meaning
any nutritious substance that people or animals eat or drink to maintain life and growth
Example
Rice is a common food in Asia.
C2 adjective /ˈfɒksi/

foxy

Meaning
Clever, cunning, or attractive.
Example
He came up with a foxy plan to win the game.
A2 adjective, adverb /ˈfʊl taɪm/

full-time

Meaning
working or studying for the whole standard period of time
Example
She works full-time as a teacher.
A1 verb /faɪnd/

find

Meaning
to discover or locate something that was lost or hidden
Example
I can't find my keys anywhere.
B2 noun /ˈfɒsɪl/

fossil

Meaning
the remains or impression of a prehistoric plant or animal embedded in rock
Example
The fossil of a dinosaur was discovered in the mountains.
C1 verb/noun ˈfæð.əm

fathom

Meaning
To understand after much thought; to measure the depth of water; to comprehend.
Example
It is difficult to fathom the depths of the ocean.
B2 noun fəˈtiːɡ

fatigue

Meaning
Physical or mental exhaustion due to prolonged exertion or mental stress
Example
Lack of sleep leads to extreme fatigue.
C1 noun /fɔːrˈkloʊʒər/

foreclosure

Meaning
The legal process by which a lender takes control of a property from a borrower who has failed to make payments.
Example
The family lost their home due to foreclosure after missing several mortgage payments.
B1 verb /floʊt/

float

Meaning
to rest or move on the surface of a liquid or in the air without sinking
Example
The boat began to float gently down the river.
B2 noun /faɪˈnæn.ʃəl rɪˌspɒn.sɪˈbɪl.ə.ti/

financial responsibility

Meaning
The practice of managing money and other financial resources in a responsible and effective manner.
Example
Financial responsibility ensures long-term economic stability.
B1 adverb /ˈfriːkwəntli/

Frequently

Meaning
often; regularly; many times
Example
She frequently visits her grandmother on weekends.
B2 noun /ˈfriːˌlænsər/

freelancer

Meaning
A person who works independently without being permanently employed by one organization.
Example
She works as a freelancer designing websites for different clients.
B2 verb /ˈfɜːrnɪʃ/

furnish

Meaning
to provide or supply with furniture or equipment
Example
They furnished the new house with modern furniture.
C1 noun /ˈfɛərˌɡraʊndz/

fairgrounds

Meaning
A designated area where fairs, exhibitions, and amusement events are held
Example
The town set up rides and stalls at the fairgrounds for the annual festival.
C1 noun /ˈfɛlən/

felon

Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
B1 adjective /feɪld/

failed

Meaning
not successful in achieving a desired result
Example
The project failed to meet the expectations.
C2 noun /foʊ ˈpɑː/

faux pas

Meaning
a social blunder or mistake in etiquette
Example
He committed a major faux pas by forgetting her birthday.
C1 noun /ˈfɔːreɪ/

foray

Meaning
A sudden short attack or attempt, especially into new activity or territory.
Example
The company made its first foray into the international market.
C1 noun /ˈfræk.tʃər/

Fracture

Meaning
the cracking or breaking of a hard object or material; a break in a bone
Example
The doctor confirmed that he had a hairline fracture in his wrist.
B1 noun /ˈfaɪ.tər/

Fighter

Meaning
a military aircraft designed for attacking other aircraft; a person who fights
Example
The fighter jet flew overhead during the military parade.
C1 noun /ˈfoʊk.lɔːr/

folk-lore

Meaning
The traditional beliefs, customs, stories, songs, and practices of a community, passed down through generations.
Example
Bangladeshi folk-lore is rich with myths and legends.
C2 noun /fɔːrˈbɛrəns/

forbearance

Meaning
Patient self-control; restraint and tolerance, especially in difficult situations.
Example
She showed remarkable forbearance during the heated argument.
C2 adjective /ˈfraɪəbl/

friable

Meaning
Easily crumbled or reduced to powder.
Example
The old brick wall was friable and broke apart at a touch.
C1 noun /ˈfoʊliɪdʒ/

foliage

Meaning
The leaves of a plant, collectively.
Example
The autumn foliage looked stunning in the park.
B2 adjective /ˈfeɪtl/

fatal

Meaning
causing death; leading to disaster
Example
The accident proved fatal for the driver.
A2 adjective /faɪn/

Fine

Meaning
good; excellent; thin; delicate; high quality
Example
The weather is fine today.
B2 noun /ˈfɔːrmjələ/

formula

Meaning
a fixed method for doing something; a mathematical or chemical rule expressed in symbols
Example
The scientist discovered a new formula for the medicine.
C2 adjective /ˈfiːbraɪl/

febrile

Meaning
having or showing the symptoms of a fever; or highly excitable or agitated
Example
The patient was in a febrile state with high temperature.
C2 verb /fleɪl/

flail

Meaning
to wave or swing something about wildly; to thrash about
Example
He flailed his arms to keep afloat in the water.
C2 verb /ˌfɔːrˈrʌn/

forerun

Meaning
To go before; to precede in time, place, or action.
Example
Dark clouds often forerun a storm.
B1 verb /ˈfɛri/

ferry

Meaning
to transport by boat; to carry back and forth
Example
The boat ferried passengers across the river.
C1 adjective /ˈfjuː.dəl/

feudal

Meaning
relating to the system of feudalism, a medieval social system based on land ownership and obligations
Example
The castle is a remnant of the feudal era.
C1 verb /fɔrˈstɔl/

forestall

Meaning
to prevent by acting in advance; to anticipate and counter
Example
They forestalled the crisis by taking immediate action.
C1 noun /ˈfɔːrˌbɛərz/

forebears

Meaning
Ancestors or people in previous generations from whom one is descended.
Example
We must honor the traditions of our forebears.
A2 noun /ˈfer.i.teɪl/

Fairy-tale

Meaning
a children's story about magical and imaginary beings and lands
Example
Children love listening to fairy-tales before bedtime.
B2 noun /ˈfer.i boʊt/

Ferry-boat

Meaning
a boat that carries passengers and vehicles across water
Example
We took the ferry-boat to cross the river.
C2 verb /flɪt/

flit

Meaning
to move quickly and lightly from one place to another
Example
Butterflies flitted from flower to flower.
C1 noun /fɪˈnænʃɪər/

financier

Meaning
a person who manages large amounts of money or investments
Example
The financier advised the company on its investments.
A2 noun fɔːrs

force

Meaning
A physical power or energy that can cause movement, change, or influence.
Example
Strong nuclear force binds particles.
C2 noun /ˈfɜːrðərəns/

furtherance

Meaning
The advancement or promotion of something.
Example
The new policy was introduced in furtherance of social justice.
C2 noun /ˈflɒtsəm/

flotsam

Meaning
Floating debris from a shipwreck or things discarded and left floating.
Example
The beach was littered with flotsam after the storm.
C2 noun /ˈflɛdʒlɪŋ/

fledgeling

Meaning
A young bird that has just developed its feathers and is learning to fly; a beginner.
Example
The fledgeling was trying hard to take its first flight.
B1 noun fləʊ

flow

Meaning
The action or fact of moving along in a steady, continuous stream
Example
The flow of information must be secured.
C2 adjective /ˈflʌməksd/

flummoxed

Meaning
Completely confused or bewildered.
Example
He looked flummoxed after hearing the strange question.
B1 adverb /ˈfɔːtʃənətli/

fortunately

Meaning
by good luck; luckily
Example
Fortunately, no one was injured in the accident.
A2 noun/verb /ˈfɪʃɪŋ/

fishing

Meaning
the activity of catching fish
Example
Fishing is a popular activity in coastal villages.
C2 adjective /ˈfer.əs/

ferrous

Meaning
containing or consisting of iron
Example
Ferrous metals are commonly used in construction.
A2 noun/verb /fɛns/

fence

Meaning
a barrier, usually made of wood or wire, that surrounds an area; to enclose with a barrier
Example
They built a fence around the garden.
A2 noun /ˈfɜːrnɪtʃər/

furniture

Meaning
Objects such as chairs, tables, beds, or cupboards used to make a room suitable for living or working.
Example
The living room was filled with beautiful wooden furniture.
C2 noun /ˈfetiʃ/

fetich

Meaning
an object believed to have magical powers or to be inhabited by a spirit
Example
The villagers treated the statue as a powerful fetich.
C2 noun /ˈflæt.ər.ər/

Flatterer

Meaning
a person who lavishes praise, often insincerely and in order to gain advantage
Example
The king was surrounded by flatterers who only told him what he wanted to hear.
A2 adjective /ˈfɪnɪʃt/

finished

Meaning
completed or brought to an end
Example
The painting is finished and ready to display.
B2 adjective /fræŋk/

Frank

Meaning
honest; open; straightforward; candid
Example
She gave me a frank opinion about my presentation.
C1 noun /ˈfɒdər/

fodder

Meaning
food for livestock such as cattle, horses, or sheep; also something considered of little value but used to supply a demand
Example
The farmer stored enough fodder for the cattle to last through winter.
A1 preposition /fɔːr/

for

Meaning
used to indicate purpose, destination, or recipient
Example
This gift is for you.
B2 verb /feɪnt/

faint

Meaning
to lose consciousness for a short time because of a temporary lack of oxygen to the brain
Example
He felt dizzy and fainted in the heat.
B2 verb /ˈfɪltər/

filter

Meaning
to pass a substance through a device to remove unwanted material or to selectively pass certain items
Example
She used a coffee filter to separate the grounds from the liquid.
B2 noun /fiːst/

Feast

Meaning
a large meal, typically one in celebration of something; an annual religious celebration
Example
The wedding feast included traditional dishes from both families' cultures.
B2 noun /ˈfaɪbər/

fiber

Meaning
a thread or filament from which a textile is formed; dietary substance from plants that aids digestion
Example
Fruits and vegetables are high in fiber.
A2 noun /ˈfiːvər/

fever

Meaning
a medical condition in which the body temperature is higher than normal
Example
He couldn’t go to work because he had a high fever.
C2 adjective /ˈfrɛtfəl/

fretful

Meaning
Feeling or showing distress or irritation.
Example
The baby was fretful all night and could not sleep.
C1 noun /ˈfɔːrˌθɔːt/

forethought

Meaning
careful consideration of what will be necessary or may happen in the future
Example
With a little forethought, we could have avoided the problem.
C2 noun /floʊ/

floe

Meaning
a large sheet of floating ice
Example
The polar bears rested on the ice floe.
C1 noun /ˈfaɪər.wɔːl/

firewall

Meaning
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Example
A firewall protects networks from cyber-attacks.
C1 verb /fɔːrˈʃædoʊ/

foreshadow

Meaning
To indicate or suggest something that will happen in the future
Example
Dark clouds foreshadowed an approaching storm.
B1 noun /ˈfes.tə.vəl/

Festival

Meaning
a day or period of celebration, typically for religious reasons; an organized series of concerts, films, etc.
Example
The music festival attracted thousands of visitors from around the world.
C1 adjective /fərˈlɔːrn/

forlorn

Meaning
extremely sad, lonely, or abandoned
Example
The abandoned puppy looked so forlorn in the rain.
B2 verb /fjuːz/

fuse

Meaning
To join or blend two or more things together into one.
Example
The two metals fused under high heat.
B2 adjective /ˈfæktʃuəl/

Factual

Meaning
based on facts; accurate; true
Example
The report contains only factual information.
C1 noun /flʌks/

flux

Meaning
continuous change or movement; the rate of flow of something
Example
The company was in a state of constant flux during the reorganization.
C1 noun fɔːlt ˈtɒl.ər.əns

fault-tolerance

Meaning
The ability of a system to continue operating properly in the event of the failure of some of its components.
Example
Fault-tolerance ensures dependable systems.
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
B2 noun /flɔː/

flaw

Meaning
a defect or imperfection in something
Example
The diamond had a small flaw that was barely visible.
B2 noun /ˈfɜː.tɪ.laɪ.zər/

fertilizer

Meaning
a substance added to soil to make plants grow more successfully
Example
Farmers use fertilizer to increase crop production.
B2 noun /ˈfræɡ.mənt/

Fragment

Meaning
a small part broken or separated off something; an incomplete or isolated portion
Example
Archaeologists found fragments of ancient pottery buried in the soil.
A1 noun /ˈfriː taɪm/

free time

Meaning
time when a person is not working or occupied and can do activities they enjoy
Example
She likes to read books in her free time.
B2 noun /fɜːr/

Fur

Meaning
thick hair covering the body of animals
Example
The cat's fur was soft and warm to touch.
A2 noun, verb /fɔːrm/

form

Meaning
the shape or structure of something; to bring something into existence
Example
Students filled out the registration form.
A2 noun /flʌd/

Flood

Meaning
an overflow of a large amount of water beyond its normal limits
Example
The heavy rain caused a flood in the village.
B2 noun /ˈfʌndˌreɪzɪŋ/

fundraising

Meaning
the process of collecting money for a cause or project
Example
The organization is organizing a fundraising event.
C1 adjective /ˈfrɪdʒɪd/

Frigid

Meaning
extremely cold; freezing; icy
Example
The frigid weather made it difficult to go outside.
B2 adjective /ˈfʌsi/

fussy

Meaning
hard to please; very concerned with details
Example
The child is very fussy about what she eats.
C2 noun /ˈfrækɑː/

fracas

Meaning
A noisy disturbance or quarrel.
Example
The fracas outside the bar drew the attention of the police.
A1 adjective /fɑːst/

Fast

Meaning
moving or happening quickly; rapid; swift
Example
She runs very fast in the morning.
B1 noun faʊnˈdeɪʃən

foundation

Meaning
The lowest load-bearing part of a building, typically below ground level.
Example
The foundation of the building was laid with strong materials.
C1 noun ˌfræɡ.mənˈteɪ.ʃən

fragmentation

Meaning
The process or state of breaking or being broken into fragments.
Example
Habitat fragmentation threatens many species.
C2 adjective /ˈfluːtɪd/

fluted

Meaning
having grooves or ridges, often for decoration
Example
The vase had a beautiful fluted design around the rim.
B2 noun /fleɪm/

Flame

Meaning
a hot glowing body of ignited gas that is generated by something on fire
Example
The candle flame flickered gently in the evening breeze.
B1 adjective /ˈfəʊkəst/

focused

Meaning
Directing a great deal of attention or effort toward a particular activity, situation, or person.
Example
Staying focused during work hours enhances productivity.
B2 adjective /fɪərs/

Fierce

Meaning
violent; aggressive; showing strong feeling or determination
Example
The fierce storm destroyed many houses in the village.
C2 verb /fɔːrˈdʒʌdʒ/

forejudge

Meaning
To judge beforehand without adequate information.
Example
It is unfair to forejudge someone without knowing the facts.
C2 noun /fləˈtɪlə/

flotilla

Meaning
A small fleet of ships or boats operating together.
Example
A flotilla of fishing boats left the harbor at dawn.
B2 adjective /ˈfɜːr.taɪl/

Fertile

Meaning
capable of producing abundant vegetation or crops; able to conceive children
Example
The fertile soil in this region makes it perfect for growing vegetables.
A2 adjective /fɪt/

Fit

Meaning
suitable; appropriate; healthy; in good physical condition; ready
Example
He is fit and healthy.
C1 adjective /ˈflæʃi/

flashy

Meaning
ostentatious or showy in a way that attracts attention
Example
He drove a flashy sports car through the city streets.
C2 noun /ˈflæɡ ˌɒfɪsər/

flag-officer

Meaning
a senior naval officer entitled to fly a flag to mark the command
Example
The flag-officer reviewed the fleet before the ceremony.