Laboratory (Lab)
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Spanish FR French DE German RU Russian ZH Chinese JA Japanese
All Vocabulary Cards All Vocabularies
B1 noun /ləˈbɔːr.ə.tɔːr.i/

Laboratory (Lab)

Meaning
a room or building equipped for scientific experiments, research, or teaching
Example
The scientists conducted their experiments in the well-equipped laboratory.
C1 noun /ˈloʊ.fər/

Loafer

Meaning
a person who avoids work or effort; an idler
Example
Don't be a loafer, help us with the work.
C1 adjective /ˈliːf.ləs/

Leafless

Meaning
without leaves; bare
Example
The leafless trees looked bare in winter.
A2 adjective /ˈloʊn.li/

Lonely

Meaning
solitary; isolated; without companions
Example
She felt lonely after moving to a new city.
C2 noun /ˈlɪŋ.ɡwə/

lingua

Meaning
A language, especially one used for communication among people.
Example
English has become a global lingua for business and science.
C1 adjective ləˈθɑːrdʒɪk

lethargic

Meaning
Being inactive due to lack of physical or mental energy
Example
After a heavy meal, he felt lethargic and sleepy.
B1 adverb /ˈlɪtərəli/

literally

Meaning
in a literal manner or sense; exactly
Example
He was literally running for three hours without stopping.
C1 adjective /ˈlɑːpˌsaɪdɪd/

lopsided

Meaning
with one side lower, larger, or different from the other; uneven or imbalanced
Example
The cake looked lopsided after being decorated in a hurry.
C1 verb /luːt/

loot

Meaning
to steal goods, typically during war, riot, or chaos
Example
The rioters looted several shops during the protest.
B2 adjective /ˈlɔːŋtaɪm/

longtime

Meaning
having existed or continued for a long time
Example
They are longtime friends who met in college.
B2 noun ˈlæbrətɔːriz

laboratories

Meaning
A room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
Example
Advanced laboratories enabled groundbreaking discoveries.
B2 adverb /ˈlaɪtli/

lightly

Meaning
gently or with little force or weight
Example
She touched the baby’s hand lightly.
C1 noun /ˌluː.brɪˈkeɪ.ʃən/

lubrication

Meaning
The action of applying a substance to reduce friction between surfaces in mutual contact.
Example
Lubrication of the eyes is essential for well-being.
C2 noun /ˈleɪ.ɪ.ti/

laity

Meaning
Ordinary members of a religious community who are not clergy.
Example
The church welcomed the laity to participate in the event.
C1 adjective /ˈlaʊzi/

lousy

Meaning
of very poor quality; bad or unpleasant
Example
He felt lousy after catching the flu.
C2 noun /ˈlɛtʃ.əri/

lechery

Meaning
excessive or offensive sexual desire; lustfulness
Example
The novel depicted the lechery of corrupt nobles.
C1 adjective /ˈlɔː.fəl/

Lawful

Meaning
legal; legitimate; valid; just
Example
The judge confirmed that their actions were lawful and proper.
C2 adjective /ˈlæk.ti.əl/

lacteal

Meaning
Relating to or resembling milk; conveying chyle or milky fluid.
Example
The lacteal vessels in the small intestine absorb dietary fats.
A1 verb /luːz/

lose

Meaning
to be unable to find something; to fail to win; to misplace
Example
I hope I don't lose my keys again.
C2 adjective /lɪˈtɪdʒəs/

litigious

Meaning
prone to engage in lawsuits or overly inclined to argue legally
Example
He is known as a litigious neighbor who often sues people.
C2 noun /lɪˈbrɛtoʊ/

libretto

Meaning
The text of an opera or other long vocal work.
Example
She studied the libretto before attending the opera performance.
C1 adjective lɪŋˈɡwɪs.tɪk

linguistic

Meaning
Related to language or linguistics; concerning the scientific study of language.
Example
The AI model learns from linguistic patterns.
B2 adjective /ˈlækɪŋ/

lacking

Meaning
not having enough of something; missing
Example
His report was lacking in detail.
B2 adjective /ˈlɛŋθi/

lengthy

Meaning
long in duration or extent
Example
The meeting was lengthy, lasting over three hours.
A2 noun /ˈlʌɡ.ɪdʒ/

Luggage

Meaning
suitcases or other bags in which to pack personal belongings for traveling
Example
Please check your luggage at the airport counter.
C1 noun /læʃ/

Lash

Meaning
an eyelash; a sharp blow with a whip or rope; to strike forcefully
Example
She carefully applied mascara to make her lashes look longer and darker.
C2 noun ˈlɪɡ.nəʊˌsæt

LignoSat

Meaning
A wooden satellite that demonstrates the use of wood in space technology.
Example
LignoSat demonstrates the use of wood in space.
C2 verb ˈlev.ɪ.teɪ.tɪŋ

levitating

Meaning
Rising and hovering in the air, especially as a result of supernatural or magical power.
Example
The levitating structure is an engineering marvel.
C2 noun /lænˈtɑː.nə/

Lantana

Meaning
a tropical flowering plant with clusters of small colorful flowers
Example
The lantana flowers attract butterflies to the garden.
C2 noun /ˈlɔːrdlɪŋ/

lordling

Meaning
A young or petty lord; someone of minor nobility.
Example
The arrogant lordling demanded respect despite his lack of experience.
C1 verb /ˈlʌmbər/

lumber

Meaning
to move in a slow, heavy, awkward way
Example
The bear lumbered through the forest in search of food.
C2 noun (plural) /ˈlɪniəmənts/

lineaments

Meaning
The features or distinctive characteristics of the face or body.
Example
The lineaments of his face were sharp and stern.
C2 noun /ˈlɑːrsəni/

larceny

Meaning
The unlawful taking of personal property with intent to deprive the rightful owner of it.
Example
He was arrested for committing larceny at the store.
C1 verb /lætʃ/

latch

Meaning
to fasten or close something with a latch
Example
She latched the door before leaving the house.
C2 noun /ˈlɪɡ.ə.tʃər/

ligature

Meaning
A thing used for tying or binding tightly; in music/printing, two or more notes or letters joined together.
Example
The doctor used a ligature to stop the bleeding.
B2 noun ˈlɪv.ɪŋ ˈstæn.dədz

living standards

Meaning
The degree of wealth and material comfort available to a person or community; quality of life.
Example
High living standards improve satisfaction.
B2 adjective /ˈlʌvəbl̩/

loveable

Meaning
easy to love; endearing or charming
Example
The puppy was so loveable that everyone wanted to hold it.
C2 noun /laʊt/

lout

Meaning
An uncouth or aggressive man or boy.
Example
The drunken lout caused a scene at the party.
B2 adjective /ˈliː.fi/

Leafy

Meaning
having many leaves; covered with leaves
Example
The leafy green vegetables are very nutritious.
B2 noun /lɪm/

limb

Meaning
an arm or leg of a person or animal; a large branch of a tree
Example
He broke a limb while climbing the tree.
B1 noun /ˈleʒ.ər/

Leisure

Meaning
time when one is not working or occupied; free time used for enjoyment
Example
She enjoys reading books in her leisure time.
B2 verb /ˈlaɪtən/

lighten

Meaning
to make something brighter or less dark; to make something less heavy or serious
Example
A joke can lighten the mood during a tense meeting.
B1 noun /ˈlaɪ.kɪŋ/

Liking

Meaning
a feeling of regard or fondness; a preference or taste for something
Example
She has developed a liking for classical music.
C1 verb /lʊər/

lure

Meaning
to attract or tempt someone, often by offering something appealing
Example
The advertisement lured customers with promises of discounts.
B2 noun /ˈlænd.fɪl/

landfill

Meaning
a site where waste material is buried under the ground
Example
The city built a new landfill to manage its growing waste problem.
B2 noun /ˈleɪ.bər.ər/

Labourer

Meaning
a person who does unskilled physical work for wages
Example
The labourer worked hard all day at the construction site.
C2 adjective /ˈlæm.ən.tə.bəl/

lamentable

Meaning
deserving to be criticized or regretted; unfortunate
Example
The team’s lamentable performance disappointed their fans.
C2 verb /ˈlɔɪtər/

loiter

Meaning
To stand or wait around idly without apparent purpose.
Example
The teenagers were told not to loiter outside the shop.
C2 adverb/adjective /lɪˈɡɑːtoʊ/

legato

Meaning
In music, played or sung smoothly and connectedly.
Example
The pianist played the passage legato, with each note flowing into the next.
C2 adjective /ˈleɪ.baɪl/ or /ˈlæb.aɪl/

labile

Meaning
easily altered or unstable; prone to change
Example
Her mood was so labile that it changed several times in an hour.
B1 noun /ˈlænd.skeɪp/

Landscape

Meaning
all the visible features of an area of countryside or land; the art of designing outdoor areas
Example
The mountain landscape was breathtaking with its snow-capped peaks and green valleys.
C2 noun /ˈleʧ.ər/

Lecher

Meaning
a man who behaves in a sexually inappropriate way towards women
Example
The company fired him for being a lecher.
C1 noun /liːtʃ/

Leech

Meaning
an aquatic or terrestrial annelid worm with suckers at both ends; metaphorically, a person who extorts profit from others
Example
The leech attached itself to his leg while swimming.
B2 adjective /lʌɡˈʒʊəriəs/

luxurious

Meaning
extremely comfortable, elegant, or enjoyable, often involving great expense
Example
They stayed in a luxurious hotel during their vacation.
B2 noun ˈlaɪf ɪkˌspek.tən.si

life expectancy

Meaning
The average period that a person may expect to live; the length of time for which something is expected to last or to continue being effective.
Example
Life expectancy depends on healthcare quality.
B1 noun /ˈlæbrətɔːri/

laboratory

Meaning
A room or building equipped for scientific experiments, research, or teaching.
Example
The students conducted the experiment in the chemistry laboratory.
C2 adjective /luːd/

lewd

Meaning
Sexually offensive, obscene, or vulgar.
Example
He was arrested for making lewd remarks in public.
A1 verb /liːv/

leave

Meaning
to go away from; to depart or exit
Example
The train leaves at 6 PM.
C1 noun /læps/

Lapse

Meaning
a temporary failure of concentration, memory, or judgment; the termination of a right or privilege
Example
There was a brief lapse in security that allowed the intruder to enter the building.
C1 adjective /ˈlaɪf.laɪk/

lifelike

Meaning
Very similar to a real person, object, or scene; realistic.
Example
The wax figure was so lifelike that people thought it was a real person.
A2 verb /liːd/

lead

Meaning
To guide or be in charge; to show the way.
Example
He led the team to victory.
C1 noun /ˈledʒ.ər/

Ledger

Meaning
a book or other collection of financial accounts of a particular type
Example
The accountant updated the company ledger daily.
A1 noun /lænd/

Land

Meaning
the part of the earth's surface that is not covered by water; an area of ground, soil, or earth
Example
The farmer worked hard to cultivate his land and grow healthy crops.
C2 noun /lʌɡˈʒʊəriəns/

luxuriance

Meaning
abundant growth, richness, or elegance
Example
The garden was filled with the luxuriance of tropical plants.
B2 adjective /lɪˈdʒɪt.ɪ.mət/

Legitimate

Meaning
lawful; valid; genuine; reasonable
Example
He has a legitimate reason for being late.
C1 noun /ˈlaɪm.laɪt/

Limelight

Meaning
the focus of public attention; a bright light produced by heating a cylinder of lime
Example
The celebrity enjoyed being in the limelight.
B2 adjective /ˈlɛdʒəndɛri/

legendary

Meaning
remarkable enough to be famous; often used to describe something that is iconic or widely known
Example
The legendary musician performed in front of a packed stadium.
C1 noun /ˈlɔːsuːt/

lawsuit

Meaning
a legal case brought to a court of law by one person against another
Example
The company faced a lawsuit over false advertising.
C1 noun /ˈlaɪbəl/

libel

Meaning
a published false statement that damages a person's reputation
Example
The newspaper was sued for libel after publishing false claims.
C1 verb, adjective, noun /lɪmp/

limp

Meaning
to walk with difficulty, often due to injury or weakness; lacking strength or firmness.
Example
He limped after injuring his ankle.
B2 adjective /ˈlæstɪŋ/

Lasting

Meaning
enduring for a long time; permanent; durable
Example
Their friendship had a lasting impact on both their lives.
A1 verb /lʊk/

look

Meaning
to direct your eyes to see something; to appear or seem
Example
Look at the beautiful sunset in the sky.
B2 noun /ˈlɒk.ɪt/

Locket

Meaning
a small ornamental case, typically made of gold or silver, worn on a chain around the neck
Example
She kept her grandmother's photo in the locket.
A1 noun /laɪf/

life

Meaning
The existence of an individual human being or animal.
Example
Life is full of challenges and opportunities.
B2 noun /ˈlɪn.ən/

linen

Meaning
A strong cloth made from the fibers of the flax plant, or items made from this cloth such as sheets or clothing.
Example
She bought new linen curtains for the living room.
C1 verb /ˈlaɪ.kən/

liken

Meaning
to compare one thing to another, often in a figurative way
Example
He likened her voice to sweet music.
A2 noun /ˈloʊ.kəl/

Local

Meaning
belonging or relating to a particular area or neighborhood; a person living in a particular area
Example
The local people are very friendly.
B2 noun /liːk/

Leek

Meaning
vegetable related to onion with long green leaves and white bulb, milder than onion
Example
The soup was made with potatoes and leeks.
B2 adjective /ˈlʌv.ə.bəl/

Lovable

Meaning
deserving of love; endearing; adorable
Example
The puppy was so lovable that everyone wanted to adopt it.
B2 noun/verb /ˈlɪtər/

litter

Meaning
rubbish or waste left lying in a public place; to make a place untidy by leaving rubbish
Example
The park was full of litter after the festival.
B2 noun ˈlænd.mɑːk

landmark

Meaning
An object or feature of a landscape or town that is easily seen and recognized from a distance; an important stage or turning point.
Example
The space restaurant is a landmark in innovation.
C1 noun /ˈlɛktən/

lectern

Meaning
A tall stand with a sloping top used to support a book, notes, or script during a speech or lecture.
Example
The professor placed her notes on the lectern before starting her lecture.
C1 noun lɪˈkwɪd.ə.ti

liquidity

Meaning
The availability of liquid assets to a market or company; the ability to convert assets into cash quickly.
Example
Maintaining liquidity is crucial for financial stability.
C2 noun/adjective /ˈlæpɪˌdɛri/

lapidary

Meaning
As noun: a person who cuts, polishes, or engraves precious stones; As adjective: relating to such work.
Example
The museum displayed lapidary tools used in ancient times.
A1 verb /ˈlɪsən/

listen

Meaning
to pay attention to sounds; to hear someone or something with thoughtful attention
Example
Please listen carefully to the instructions.
C1 noun /ˈlɪŋɡwɪst/

linguist

Meaning
A person skilled in foreign languages or in the scientific study of language.
Example
She is a linguist who speaks six languages fluently.
B1 noun

Loneliness

C2 adjective /ˌlækəˈdeɪzɪkəl/

lackadaisical

Meaning
lacking enthusiasm, energy, or determination; careless or lazy
Example
His lackadaisical attitude toward work annoyed his boss.
B2 adverb /ˈlaɪk.waɪz/

Likewise

Meaning
in the same way; also; similarly
Example
She studied hard for the exam, and her brother did likewise.
B1 noun /ˈlʌk.ʃər.i/

Luxury

Meaning
the state of great comfort and extravagant living; an inessential, desirable item that is expensive or difficult to obtain
Example
They enjoyed the luxury of a five-star hotel.
A1 noun /lɛɡ/

leg

Meaning
one of the limbs on which a person or animal walks and stands
Example
He injured his leg while playing football.
C1 noun /ˈliːniənsi/

leniency

Meaning
The quality of being more merciful or tolerant than expected.
Example
The judge showed leniency in his ruling.
C2 noun /ˈlæɡ.ərd/

Laggard

Meaning
a person who makes slow progress and falls behind others; someone who is slow to act
Example
The laggard student finally submitted his assignment after the deadline.
C1 noun /ˈlʌləˌbaɪ/

lullaby

Meaning
a soothing song sung to help a child fall asleep
Example
She sang a lullaby to her baby every night.
C2 verb /lɪm/

limn

Meaning
to depict or describe something vividly in words or art.
Example
The author limned the beauty of the countryside.
B2 noun

Longing

C2 noun /ˌlɪt.əˈrɑː.ti/

literati

Meaning
well-educated, literary, or scholarly people
Example
The event was attended by poets, critics, and other members of the literati.
A2 noun /lɔː/

Law

Meaning
a rule or system of rules recognized by a country or community as regulating the actions of its members
Example
Everyone must obey the law.
C2 noun /ˌlɛksɪˈkɒɡrəfi/

lexicography

Meaning
The art or practice of compiling dictionaries.
Example
Lexicography requires both linguistic and cultural knowledge.
A2 noun /ˈleɪ.di/

Lady

Meaning
a woman, especially one of refined or gentle manners; a polite term for any woman
Example
The elderly lady crossed the street with the help of her walking stick.
C2 noun /laɪər/

lyre

Meaning
a stringed musical instrument of ancient Greece
Example
The musician played a melody on the lyre.
C1 adjective /lʌʃ/

lush

Meaning
rich, abundant, and luxurious, especially referring to vegetation
Example
The valley was filled with lush green fields.
C2 adjective /ˈlaɪðsəm/

lithesome

Meaning
gracefully flexible and supple
Example
Her lithesome figure allowed her to move like a ballerina.
C1 noun /ˈloʊ.kəst/

Locust

Meaning
a large insect that flies in groups and eats crops
Example
The locusts destroyed the entire wheat field.
C2 noun /ˌlæs.əˈreɪ.ʃən/

laceration

Meaning
a deep cut or tear in skin or flesh
Example
He needed stitches for a laceration on his leg.
B2 noun /liːk/

Leak

Meaning
a hole in a container or covering through which contents escape or enter accidentally
Example
There is a leak in the water pipe.
A1 noun /lʌntʃ/

Lunch

Meaning
a meal eaten in the middle of the day, typically one that is lighter or less formal than an evening meal
Example
We had lunch at a nice restaurant downtown.
C1 noun, verb /ˈliːvər/ or /ˈlɛvər/

lever

Meaning
a rigid bar used to move or lift heavy objects; to move something using leverage.
Example
He used a lever to lift the heavy stone.
C2 verb /loʊp/

lope

Meaning
to run or move with a long, bounding stride
Example
The horse loped gracefully across the field.
B2 noun /ˈlɒdʒɪk/

logic

Meaning
Reasoning conducted or assessed according to strict principles of validity.
Example
Her argument was based on sound logic.
B2 adjective /ˈlaɪf.lɒŋ/

lifelong

Meaning
Lasting or existing for the whole of a person's life.
Example
They remained lifelong friends.
C2 verb /læmˈpuːn/

lampoon

Meaning
to publicly criticize or ridicule someone or something with humor, irony, or sarcasm
Example
The cartoonist lampooned the politician for his contradictory statements.
C2 noun /ˈlɛvi/

levee

Meaning
An embankment built to prevent the overflow of a river or to hold back water.
Example
The town built a levee to protect itself from flooding.
B2 verb /liːp/

leap

Meaning
to jump high or far; to move quickly with large steps
Example
The cat leaped onto the table.
C1 adjective liːst prɪˈpeərd

least prepared

Meaning
Having the minimum level of readiness or equipment to handle a situation.
Example
Bangladesh is among the least prepared for climate adaptation.
C2 adjective /ˈlɪsɪt/

licit

Meaning
Permitted by law or by rules; legal.
Example
The trade of certain goods is licit under international law.
A2 noun /leŋθ/

Length

Meaning
the measurement or extent of something from end to end; the greater of two or the greatest of three dimensions
Example
The length of the table is two meters.
C1 verb /ˈluːbrɪkeɪt/

lubricate

Meaning
to apply oil or grease to reduce friction between surfaces
Example
The mechanic lubricated the car engine parts.
C2 verb /ˈlɪk.wɪ.faɪ/

liquefy

Meaning
to make or become liquid
Example
The heat will liquefy the butter in a few minutes.
A2 noun /ˈləʊɡəʊ/

logo

Meaning
a symbol or other small design adopted by an organization to identify its products, uniform, vehicles, etc.
Example
The company's logo was redesigned to reflect its new image.
C2 adjective /ˈlɪŋɡwəl/

lingual

Meaning
Relating to the tongue or speech.
Example
The dentist examined the patient's lingual surface of the teeth.