tenebrous
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C2 adjective /ˈtɛnɪbrəs/

tenebrous

Meaning
dark, shadowy, or obscure
Example
The cave was damp and tenebrous, filled with eerie sounds.
B1 noun /ˈtaɪ.təl/

Title

Meaning
the name of a book, movie, or other work; a word used before someone's name to show rank or status
Example
The title of the book is very interesting.
C2 adjective /trænsˈfjuːzəbl̩/

transfusible

Meaning
capable of being transfused, especially referring to blood or fluids
Example
Only transfusible blood types are used in the hospital.
C1 adjective /ˈtep.ɪd/

Tepid

Meaning
only slightly warm; lukewarm; showing little enthusiasm
Example
The tea was tepid and unappetizing.
B2 noun /ˈtwaɪ.laɪt/

Twilight

Meaning
the soft glowing light from the sky when the sun is below the horizon; a period of decline
Example
We walked along the beach at twilight.
C2 noun /ˌtɜːdʒɪvərˈseɪʃən/

tergiversation

Meaning
Evasion of straightforward action or speech; changing sides or being inconsistent.
Example
The politician’s tergiversation frustrated his supporters.
B2 noun /tɛkˈnɪʃən/

technician

Meaning
a person skilled in the practical aspects of a particular science, art, or job
Example
The technician repaired the computer within an hour.
C2 adjective /ˈtjuːtɪlɑːr/

tutelar

Meaning
Serving as a guardian or protector.
Example
The tutelar spirit of the forest was believed to protect travelers.
C2 noun /təˈmɛrɪti/

temerity

Meaning
Excessive confidence or boldness; audacity.
Example
He had the temerity to challenge the professor’s argument.
A1 noun /tuː/

two

Meaning
the number following one
Example
She has two children.
B2 noun /træŋˈkwɪləti/

tranquility

Meaning
the quality or state of being calm and peaceful
Example
He enjoyed the tranquility of the countryside.
B2 noun /ˈtraɪ.əl/

Trial

Meaning
a formal examination of evidence in a court; a test of performance or quality
Example
The murder trial lasted for three weeks in the county courthouse.
C1 noun ˌtoʊ.kə.nɪˈzeɪ.ʃən

tokenization

Meaning
The process of breaking text into smaller units like words, phrases, or symbols for analysis.
Example
NLP uses tokenization to break text into smaller units.
C2 noun /ˈtoʊ.di/

Toady

Meaning
a person who acts obsequiously to gain favor; a sycophant
Example
He was known as a toady who always agreed with the boss.
C1 noun /ˈtæl.i/

Tally

Meaning
a count or record of a number or amount; a score or total
Example
Keep a tally of how many books you read this month.
C2 adjective /ˈtɔːni/

tawny

Meaning
A warm, sandy or golden-brown color.
Example
The owl's tawny feathers blended with the tree bark.
B1 noun /ˈtaɪpoʊ/

typo

Meaning
a mistake made in typing
Example
The report was full of typos.
B2 adjective /trɪm/

Trim

Meaning
neat and orderly in appearance; slim and fit
Example
She keeps her garden very trim and tidy.
A2 noun /test/

test

Meaning
A procedure intended to establish the quality, performance, or reliability of something.
Example
Vehicle tests reduce emissions.
C1 noun /ˈtrævɪsti/

travesty

Meaning
A false, absurd, or distorted representation of something.
Example
The trial was a travesty of justice.
B2 noun /ˈtrænskrɪpt/

transcript

Meaning
a written or printed version of material originally presented in another medium
Example
The professor asked for a transcript of the meeting.
C1 adjective /ˈtɪklɪʃ/

ticklish

Meaning
easily made to laugh by being touched lightly; easily upset or sensitive
Example
She is very ticklish and bursts into laughter when touched on her feet.
A2 pronoun /ðəmˈsɛlvz/

themselves

Meaning
used to emphasize the subject of the sentence or to refer to the subject doing something to itself
Example
They fixed the problem themselves.
A1 numeral /θriː/

three

Meaning
the number equivalent to the sum of two and one
Example
She has three dogs at home.
C2 noun/adjective /ˈtraɪkʌlər/

tricolor

Meaning
A flag with three colors; consisting of three colors.
Example
The French tricolor is one of the most famous national flags in the world.
B2 noun /ˈθiːsɪs/

thesis

Meaning
A long piece of writing on a particular subject, usually for a degree at a university.
Example
She spent two years writing her doctoral thesis.
B2 noun ˈθrɛʃhəʊld

threshold

Meaning
A point of entry or beginning; the magnitude or intensity that must be exceeded for a certain reaction to occur.
Example
Once the threshold for pest population is reached, measures must be taken.
C1 verb /taʊt/

tout

Meaning
to promote, praise, or advertise aggressively
Example
The company touted its new product as a game-changer.
C1 noun /ˈtriːzən/

Treason

Meaning
the crime of betraying one's country, especially by attempting to kill or overthrow the sovereign or government
Example
He was accused of treason against the state.
C1 noun /ˈtʌɡboʊt/

tugboat

Meaning
a small, powerful boat used for towing or pushing ships
Example
The tugboat guided the massive ship safely into the harbor.
A1 adjective /ˈtwɛnti/

twenty

Meaning
the number equivalent to 20
Example
He is twenty years old.
C2 noun ˈtɪl.ɪdʒ

tillage

Meaning
The preparation of land for growing crops.
Example
Excessive tillage can lead to soil erosion.
B2 verb /tæn/

tan

Meaning
to make skin or a hide brown by exposure to the sun or by using chemicals
Example
She tanned her skin after spending the summer at the beach.
C1 noun /ˈtæn.ər/

tanner

Meaning
A person whose job is to tan animal hides to make leather.
Example
The tanner worked long hours to produce fine leather.
C2 noun /ˈtɜːrnkoʊt/

turncoat

Meaning
a person who switches allegiance, often betraying a cause or group
Example
He was branded a turncoat after joining the rival political party.
C2 noun /tɪlθ/

tilth

Meaning
The physical condition of soil in relation to its suitability for planting crops.
Example
The farmer checked the soil's tilth before planting the seeds.
C2 adjective /ˈtrʌk.jʊ.lənt/

truculent

Meaning
Eager or quick to argue, fight, or show aggression.
Example
She became truculent when her ideas were challenged.
B2 noun /ˈtɛlɪˌskoʊp/

telescope

Meaning
An optical instrument used to make distant objects appear closer and larger by collecting and focusing light.
Example
The astronomer used a telescope to observe the distant planets.
B2 noun /tækˈseɪʃən/

taxation

Meaning
The system of imposing and collecting taxes.
Example
Taxation is necessary for funding public services.
C2 noun /ˈtɪŋktʃər/

tincture

Meaning
a slight trace of something; a medicine made by dissolving a drug in alcohol
Example
There was a tincture of sadness in her smile.
C2 noun /ˈtɜːrməɡənt/

termagant

Meaning
A harsh-tempered or overbearing woman.
Example
The character was portrayed as a loud and domineering termagant.
B2 verb /tæp/

tap

Meaning
to strike something lightly, usually with a quick, sharp sound
Example
He tapped on the door to get her attention.
B2 adverb /ˈθɪkli/

Thickly

Meaning
in a thick manner; densely; heavily
Example
The forest was thickly wooded with tall pine trees.
B2 adjective /ˈtrɒp.ɪ.kəl/

tropical

Meaning
Relating to the tropics; characterized by hot and humid climate.
Example
The Amazon rainforest is home to many tropical species.
C2 verb /ˈtrʌk.əl/

truckle

Meaning
To submit or yield obsequiously to someone in power.
Example
He refused to truckle to the demands of the corrupt officials.
A1 noun /ˈθɜːrzdeɪ/

thursday

Meaning
The fifth day of the week, following Wednesday and preceding Friday.
Example
We have a meeting scheduled for Thursday.
B1 noun /tuːn/

Tune

Meaning
a melody or musical composition; correct musical pitch
Example
She hummed a beautiful tune while working in the garden.
B1 noun /ˈtʌnəl/

tunnel

Meaning
an underground passage or shaft
Example
They dug a tunnel under the river.
C2 noun /ˈterəpɪn/

terrapin

Meaning
a small freshwater turtle, especially one found in North America
Example
The terrapin slowly crawled into the pond.
A1 noun /tɛn/

ten

Meaning
the number following nine and preceding eleven
Example
I have ten apples in the basket.
B2 adjective /ˈtɒlərənt/

tolerant

Meaning
Showing willingness to allow the existence of opinions or behaviors that one dislikes or disagrees with.
Example
He is very tolerant of other people's beliefs.
C1 verb /ˈtiːtər/

teeter

Meaning
to move or balance unsteadily; to wobble
Example
The glass began to teeter on the edge of the table.
C1 adjective ˈtæs.ɪt

tacit

Meaning
Understood or implied without being openly expressed or stated
Example
Their mutual understanding was based on tacit agreement.
A1 pronoun /ðɛər/

their

Meaning
belonging to or associated with the people or things previously mentioned
Example
Their house is on the corner.
B2 noun /ˈtʌndrə/

tundra

Meaning
A vast, flat, treeless Arctic region where the subsoil is permanently frozen.
Example
Polar bears roam across the icy tundra.
B2 noun /tekˈnɒl.ə.dʒɪ.kəl ədˈvɑːns.mənt/

technological advancement

Meaning
Progress or improvement in technology that leads to better solutions or capabilities.
Example
Technological advancement is revolutionizing healthcare.
B2 verb /ˈtrænsplænt/

transplant

Meaning
to move something, especially a plant or organ, from one place to another
Example
The doctors transplanted a kidney into the patient.
C2 noun /trʌs/

truss

Meaning
a framework, typically consisting of rafters, posts, and struts, supporting a roof, bridge, or other structure
Example
The engineer designed a strong truss for the new bridge.
B2 noun /ˈtrædʒ.ə.di/

Tragedy

Meaning
an event causing great suffering, destruction, and distress; a serious drama with an unhappy ending
Example
The earthquake was a tragedy that affected thousands of families.
C2 verb /traɪˈsɛkt/

trisect

Meaning
To divide into three parts.
Example
The teacher asked the students to trisect the line segment.
B2 adjective /ˈtæn.dʒɪ.bəl/

tangible

Meaning
Perceptible by touch; clear and definite; real.
Example
The benefits of exercise are tangible and measurable.
B2 noun /ˈter.ər.ɪ.zəm/

Terrorism

Meaning
the unlawful use of violence and intimidation against civilians for political aims
Example
The government increased security measures to prevent terrorism.
A1 pronoun /ðoʊz/

those

Meaning
used to refer to people or things that are far away or distant in space, time, or thought
Example
Those are the shoes I want.
C1 noun /træns/

trance

Meaning
a half-conscious state like dreaming, often with loss of awareness of surroundings
Example
She stared out of the window as if in a trance.
C2 verb /tæmp/

tamp

Meaning
to press down tightly by packing
Example
He tamped the soil around the plant to secure it.
C1 noun /ˌtrænsˈpɪəreɪʃən/

transpiration

Meaning
The process by which plants lose water through their leaves, which plays a crucial role in plant cooling, nutrient transport, and the water cycle.
Example
Transpiration plays a key role in the water cycle and plant growth.
A2 adjective /θɪn/

Thin

Meaning
having little thickness; not thick; slender
Example
She wore a thin jacket in the cold weather.
B2 noun /ˈten.dən.si/

Tendency

Meaning
an inclination toward a particular characteristic or type of behavior
Example
She has a tendency to arrive late for meetings.
B2 noun /ˈtɔːrsoʊ/

torso

Meaning
The trunk of the human body, excluding the head and limbs.
Example
The artist painted the torso of the model in great detail.
C2 adjective /traɪˈɛniəl/

triennial

Meaning
Occurring once every three years.
Example
The art festival is a triennial event in the city.
C1 noun /təˈpɒɡrəfi/

topography

Meaning
the arrangement of the natural and artificial physical features of an area
Example
The topography of the region made construction very challenging.
B1 noun /θroʊt/

Throat

Meaning
the passage that leads from the back of the mouth to the stomach and lungs; the front part of the neck
Example
He had a sore throat and couldn't speak clearly.
C1 verb /ˈtræŋ.kwɪ.laɪz/

tranquilize

Meaning
to make someone or something calm or less anxious, often by using drugs
Example
The veterinarian had to tranquilize the tiger before moving it.
C2 noun /ˌθiːəˈloʊdʒən/

theologian

Meaning
A person who studies or is an expert in theology.
Example
Theologians often debate complex questions of faith and morality.
A1 adjective /twɛlv/

twelve

Meaning
the number equivalent to 12
Example
There are twelve months in a year.
C1 noun /ˈtæn.ə.ri/

tannery

Meaning
A place where animal hides are processed into leather.
Example
The tannery produced high-quality leather for export.
A1 adverb /ðɛn/

then

Meaning
at that time; next in order of time or place
Example
We went to the park, and then we had lunch.
B1 noun /ˈtaɪmɪŋ/

timing

Meaning
the choice, judgment, or control of when something should be done
Example
Good timing is essential in business negotiations.
C1 adjective /tɛk ˈdrɪv.ən/

tech-driven

Meaning
Powered or guided by technology; dependent on technological advancement for operation.
Example
The agricultural sector is becoming more tech-driven for higher efficiency.
B2 verb /ˈtɪkəl/

Tickle

Meaning
to touch someone lightly to make them laugh; to amuse or please
Example
The feather tickles when it touches your skin.
C1 verb /ˈtæmpər/

tamper

Meaning
To interfere with something in a harmful, unauthorized, or improper way.
Example
The evidence was tampered with before the trial.
B1 adjective /ˈtrʌbəld/

troubled

Meaning
experiencing or showing distress, anxiety, or worry
Example
He looked deeply troubled after hearing the bad news.
C2 adjective /ˈtjuːtɪləri/

tutelary

Meaning
Relating to or serving as a guardian or protector, often used for deities or spirits.
Example
Athena was considered the tutelary goddess of Athens.
C2 adjective /ˌtɛmɪˈrɛəriəs/

temerarious

Meaning
Reckless or rash; showing a lack of caution.
Example
It was a temerarious decision to cross the river during the storm.
B2 noun /ˈtɜːrbən/

Turban

Meaning
a head covering made by wrapping a long piece of cloth around the head
Example
The Sikh man wore a colorful turban.
C1 noun /ˈtaɪ.ɡrəs/

Tigress

Meaning
an adult female tiger
Example
The powerful tigress hunted silently through the jungle.
B2 noun ˈterɪtəri

territory

Meaning
An area of land under the jurisdiction of a ruler or state.
Example
The king expanded his territory.
C2 verb /θrɛʃ/

thresh

Meaning
to separate grain from the plant by beating or by using a machine
Example
Farmers used machines to thresh the wheat after harvest.
C1 verb /θræʃ/

thrash

Meaning
to beat someone or something violently; to move wildly or violently
Example
The angry man threatened to thrash his opponent.
C1 adjective /ˌtræn.senˈdɛn.təl/

transcendental

Meaning
relating to the spiritual or non-physical realm; surpassing ordinary experience
Example
Meditation can lead to transcendental experiences.
C1 adjective /θiːˈmætɪk/

thematic

Meaning
Relating to or based on a theme.
Example
The book is organized into thematic chapters.
A1 verb /θɪŋk/

think

Meaning
to have thoughts or ideas; to use your mind to consider something
Example
I think this is a good idea.
A1 verb /treɪn/

Train

Meaning
to teach skills or prepare for a specific activity
Example
Athletes train hard for the Olympics.
B1 verb /ter/

tear

Meaning
to pull apart or damage by force; to rip
Example
Be careful not to tear the paper.
C1 adjective /ˈtæti/

tatty

Meaning
Worn out, shabby, or in poor condition.
Example
The sofa looked old and tatty after years of use.
A2 adjective, noun, verb /ˈtoʊ.təl/

total

Meaning
the whole amount; complete
Example
The total cost was too high.
C1 noun /ˈtiːdiəm/

tedium

Meaning
the state of being tedious; monotony or boredom
Example
The tedium of long meetings often drains motivation.
B2 adjective /traɪˈʌmfənt/

Triumphant

Meaning
having won a battle or contest; rejoicing as a result of success
Example
The team was triumphant after winning the championship.
A1 verb /tiːtʃ/

teach

Meaning
to give knowledge or instruction to someone; to show how to do something
Example
She teaches English at the local school.
B2 noun /ˈtuː.lɪp/

Tulip

Meaning
a colorful spring flower with cup-shaped petals
Example
The red tulip bloomed beautifully in the garden.
B2 verb ˈtrɪɡərz

triggers

Meaning
To cause or initiate something to happen
Example
Air pollution triggers chronic diseases.
B1 noun /tɛkˈniːk/

technique

Meaning
A particular way of carrying out a task, especially with skill.
Example
She learned a new breathing technique in yoga class.
B2 verb /trænzˈmɪt/

transmit

Meaning
to send or pass something from one place or person to another
Example
The antenna can transmit signals over a long distance.
C2 noun /ˌtrænspəˈzɪʃən/

transposition

Meaning
the act of changing the order or position of something
Example
The transposition of digits caused an error in the calculation.
A2 noun /ˈtʊərɪst/

tourist

Meaning
a person who is traveling or visiting a place for pleasure
Example
The city attracts many tourists every year.
B2 adverb /ˌðɛərˈbaɪ/

Thereby

Meaning
as a result of that; by that means
Example
He worked hard and thereby achieved success.
C1 noun /ˈtem.pɪst/

Tempest

Meaning
a violent storm with strong winds; a state of great disturbance or tumult
Example
The sailors struggled to navigate through the fierce tempest.
C2 noun /ˈtɒksɪn/

tocsin

Meaning
an alarm bell or signal; a warning that something bad is about to happen
Example
The data breach sounded a tocsin for stricter security.
B1 adverb /ˈtɛmpərɛrɪli/

temporarily

Meaning
for a limited time; not permanently
Example
The road is closed temporarily for repairs.
A1 noun /ˈtiːˈviː/

tv

Meaning
a device used to receive television broadcasts
Example
I watch my favorite shows on TV every evening.
C1 noun ˌtraɪ.bjuˈnæl əv ˈdʒʌs.tɪs

tribunal of justice

Meaning
A court of justice or judicial body that settles disputes or tries offenses.
Example
The Tribunal of Justice started the hearings promptly.
A2 noun ˈtem.pər.ə.tʃər

temperature

Meaning
The degree or intensity of heat present in a substance or object.
Example
Rising temperatures affect agricultural output.
C1 noun/verb /θrɒŋ/

throng

Meaning
A large, densely packed crowd of people or animals; to fill or be present in a place in large numbers.
Example
Tourists thronged the streets during the festival.
B2 noun /truːp/

Troop

Meaning
a group of soldiers; military personnel organized as a unit
Example
The troop marched in formation across the parade ground.
B2 adjective /ˈθɔːtfəl/

thoughtful

Meaning
showing careful consideration or attention
Example
She gave a thoughtful response to every question asked.
B1 adverb /ˈðɛərˌfɔr/

Therefore

Meaning
for that reason; consequently
Example
It was raining, therefore we stayed inside.
A2 verb /tʊr/

Tour

Meaning
to travel around a place for pleasure or to perform
Example
The band will tour several cities this summer.
C1 noun /ˈtrɪŋkɪt/

trinket

Meaning
a small ornament or piece of jewelry that is not expensive
Example
She bought a little trinket from the beach market as a souvenir.
A2 adjective /ˈtaɪərɪŋ/

tiring

Meaning
causing someone to feel exhausted or in need of rest
Example
The long journey was extremely tiring.
B2 noun /θɔːn/

Thorn

Meaning
a sharp pointed part of a plant; something that causes pain or annoyance
Example
Be careful of the thorns on the rose bush.
B2 adjective /ˈθɜːrməl/

thermal

Meaning
Related to heat or temperature.
Example
She wore a thermal jacket to stay warm in winter.