nanotechnology
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C1 noun ˌnæn.oʊ.tekˈnɒl.ə.dʒi

nanotechnology

Meaning
The branch of technology that deals with dimensions and tolerances of less than 100 nanometers.
Example
Nanotechnology is advancing medical treatments.
C1 noun /ˈneɪ.vəl fɔːrs/

Naval Force

Meaning
the branch of a nation's armed services that conducts military operations at sea
Example
The naval force protected the country's coastline from enemy attacks.
C2 adjective /ˈnjuː.ɡə.tɔːr.i/

nugatory

Meaning
Of little or no value; worthless or insignificant.
Example
His efforts were nugatory and did not change the outcome.
C1 noun /ˈnoʊmæd/

nomad

Meaning
A person who has no permanent home and moves from place to place.
Example
The desert was once home to nomads who lived by herding animals.
C2 noun /naɪt kwiːn/

Night queen

Meaning
a fragrant white flower that blooms at night and releases strong sweet scent
Example
The night queen flowers filled the garden with their sweet fragrance.
C1 adjective/noun /ˈnɜːr.tʃɚ.ɪŋ/

nurturing

Meaning
The process of caring for and encouraging growth or development.
Example
A nurturing environment helps children thrive.
C2 noun /nəˈkrɒpəlɪs/

necropolis

Meaning
a large ancient cemetery with elaborate tombs
Example
The archaeologists discovered artifacts in the necropolis of the ancient city.
A2 adjective ˈnesəseri

necessary

Meaning
Required to be done, achieved, or present; essential.
Example
Strict regulations are necessary for maintaining order.
A2 adjective /ˈnɜː.vəs/

Nervous

Meaning
feeling anxious or worried; relating to the nerves; easily agitated
Example
She felt nervous before her job interview.
C1 noun /niːʃ/

Niche

Meaning
A specialized segment of the market for a particular kind of product or service.
Example
Finding the right niche is key to a successful business.
C1 adjective /ˈneɪm.ləs/

Nameless

Meaning
having no name; anonymous; unknown; unidentified
Example
The nameless fear haunted him throughout the night.
C1 verb /ˈnuːtər/

neuter

Meaning
To remove the reproductive organs of an animal; or having no gender.
Example
They decided to neuter their cat to prevent more kittens.
C1 noun /ˈnoʊ.və/

Nova

Meaning
a star that suddenly increases greatly in brightness
Example
Astronomers discovered a new nova in the constellation.
C2 adjective /ˈnʌpʃəl/

nuptial

Meaning
Relating to marriage or weddings.
Example
The couple prepared for their nuptial ceremony with great joy.
C1 noun /ˈnɪkəl/

nickel

Meaning
a small coin, typically worth five cents in the United States
Example
He found a nickel on the ground.
A1 adjective /njuː/

new

Meaning
recently made, discovered, or introduced; not existing before
Example
He bought a new car yesterday.
C2 noun /naɪˈdʒel.ə/

Nigella

Meaning
small black seeds with a nutty, slightly bitter flavor, also known as black cumin or black seed
Example
Sprinkle nigella seeds on top of the bread before baking.
A2 conjunction /nɔːr/

nor

Meaning
used to introduce a negative clause after a negative statement
Example
He didn't call, nor did he send a message.
A2 adjective /ˈnætʃərəl/

natural

Meaning
existing in or derived from nature; not made or caused by humankind
Example
She prefers to use natural ingredients in her cooking.
C1 verb /ˈnʌrɪʃ/

nourish

Meaning
To provide with food or other substances necessary for growth, health, and good condition
Example
Good books nourish the mind.
C2 noun /ˈnɒn.ɪʤ/

Nonage

Meaning
the period of being under the legal age of majority; youth or immaturity
Example
During his nonage, all legal decisions were made by his guardian.
A2 adjective /ˈnɔːti/

naughty

Meaning
Disobedient or mischievous, often in a playful or mildly bad way.
Example
The naughty child drew on the walls with crayons.
B2 adjective /ˈnoʊ.bəl/

Noble

Meaning
having high moral qualities; honorable; generous; of aristocratic birth
Example
His noble actions helped many people in need.
C1 adjective /nɑːkˈtɜr.nəl/

Nocturnal

Meaning
active at night; happening during the night
Example
Owls are nocturnal animals that hunt at night.
B2 adjective, verb /ˈnoʊtɪd/

noted

Meaning
well known or famous; written down or observed
Example
He is a noted author in the field of history.
B2 adverb /ˌnʌnðəˈlɛs/

nonetheless

Meaning
in spite of that; nevertheless
Example
It was raining, but nonetheless, they went hiking.
B2 adverb /ˈneɪmli/

Namely

Meaning
that is to say; specifically; to be precise
Example
Three cities, namely Paris, London, and Rome, were visited.
A1 noun /noʊz/

nose

Meaning
the part of the face that contains the nostrils and is used for breathing and smelling
Example
He has a sharp nose and can smell things from far away.
A2 verb /nɜːrs/

nurse

Meaning
to care for someone who is sick or injured; to feed a baby
Example
She nursed her sick mother back to health.
A2 adverb /ˈnɪərbaɪ/

Near-by

Meaning
close to; not far away; in the neighborhood
Example
There is a grocery store nearby.
B1 noun /ˈniː.dəl/

Needle

Meaning
a thin, pointed metal instrument used for sewing
Example
She threaded the needle to sew the button.
B1 adjective /ˈneɪtɪv/

native

Meaning
Belonging to a person by birth; originating in a particular place.
Example
He is a native speaker of Bengali.
A1 adverb /naʊ/

now

Meaning
at the present moment or time
Example
I am studying now.
A1 noun /naɪt/

night

Meaning
the time of darkness between one day and the next, when most people sleep
Example
She loves going for walks at night.
C2 noun /ˌɛn.biː.esˈpiː/

nbsp

Meaning
a non-breaking space character in HTML used to prevent an automatic line break at its position
Example
Use   in HTML to add a space that won't break into a new line.
A1 noun /ˈnʌmbər/

number

Meaning
a mathematical value used to count, measure, or label
Example
She gave me her phone number.
B2 verb /ˈnæv.ɪ.ɡeɪt/

navigate

Meaning
To plan and direct the route or course of a ship, aircraft, or other form of transport.
Example
The GPS helps navigate complex routes.
C1 adjective /ˈnær.oʊ ˈmaɪn.dɪd/

Narrow-minded

Meaning
unwilling to consider new ideas; prejudiced; intolerant; having a limited perspective
Example
His narrow-minded attitude prevented him from accepting new ideas.
C2 noun ˈnjʊə.rəʊ ˌfiːd.bæk

neurofeedback

Meaning
A technique that uses real-time displays of brain activity to teach self-regulation of brain function.
Example
Neurofeedback enhances cognitive performance and relaxation.
B2 adverb /ˌnɛvəðəˈlɛs/

nevertheless

Meaning
in spite of that; however
Example
He was tired; nevertheless, he kept working.
B2 adjective /nəˈtɔːriəs/

notorious

Meaning
Famous or well-known for something bad or undesirable
Example
The area is notorious for its high crime rate.
C2 adjective /ˈnɪɡərdli/

niggardly

Meaning
unwilling to spend or give; stingy or miserly
Example
He was too niggardly to leave a decent tip.
C2 noun /ˈneɪdɪər/

nadir

Meaning
The lowest point of a situation or condition.
Example
The company reached its nadir during the financial crisis.
B2 noun, verb /nɜːrv/

nerve

Meaning
A bundle of fibers in the body that transmits signals between the brain and other parts; also courage or audacity.
Example
She gathered the nerve to speak in front of the large audience.
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
C2 adjective /ˈnɒmɪk/

nomic

Meaning
Relating to laws, rules, or systems.
Example
The philosopher discussed the nomic necessity of natural laws.
C2 noun /ˈnɛtl̩/

nettle

Meaning
a plant with stinging hairs that cause irritation when touched
Example
He accidentally brushed against the nettle and felt a sharp sting.
C1 adjective /ˈneɡ.lɪ.dʒənt/

Negligent

Meaning
failing to take proper care; careless; showing lack of attention
Example
The negligent driver caused a serious accident.
C2 noun /ˌnjʊə.rəʊˈdʒɛn.ɪ.sɪs/

neurogenesis

Meaning
The process of forming new nerve cells in the brain.
Example
Scientists are studying neurogenesis to understand brain health.
C1 noun /ˈnɛm.ə.sɪs/

nemesis

Meaning
A long-standing rival or an inescapable agent of downfall.
Example
For years, he considered his colleague to be his nemesis.
B2 adjective /ˈniː.di/

Needy

Meaning
requiring help or support; poor; lacking basic necessities
Example
The charity helps needy families during the winter.
C1 noun /ˈnjʊə.rəʊ.trænsˌmɪt.ərs/

neurotransmitters

Meaning
Chemical messengers that transmit signals across nerve synapses, affecting mood, behavior, and cognitive functions.
Example
Serotonin and dopamine are key neurotransmitters affecting mood.
A1 noun /nɔːrθ/

north

Meaning
the direction toward the top of a map or the opposite of south
Example
We traveled north to reach the mountains.
A1 verb /niːd/

need

Meaning
to require something; to be in want of
Example
I need help with my homework.
C2 noun /ˈnɛkrəˌmænsər/

necromancer

Meaning
a person who practices necromancy; a wizard or magician who claims to communicate with the dead
Example
The villagers feared the old necromancer who lived at the edge of the forest.
C2 noun /ˈnoʊzˌɡeɪ/

nosegay

Meaning
a small bunch of flowers, typically given as a gift or carried for decoration
Example
She carried a nosegay of fresh roses to the ceremony.
B2 noun /ˈnɪk.neɪm/

Nickname

Meaning
a familiar or humorous name given to a person instead of their real name
Example
His nickname is 'Tiger' because he's so brave.
B2 noun /nʌn/

Nun

Meaning
a woman who has taken vows in a religious order and lives in a convent
Example
The nun taught at the local Catholic school.
B2 noun, adjective, adverb /ˌnɔːrθˈwest/

northwest

Meaning
the direction that is between north and west; situated in or moving toward this direction
Example
Seattle is located in the northwest of the United States.
C2 noun /ˈnaɪəlɪst/

nihilist

Meaning
A person who rejects all religious and moral principles, often believing that life is meaningless.
Example
He was called a nihilist for rejecting all social norms.
C1 verb /nʌdʒ/

nudge

Meaning
To push someone gently, usually with your elbow, in order to attract attention.
Example
She nudged him to be quiet during the meeting.
A2 adjective /ˈnɔɪ.zi/

Noisy

Meaning
making a lot of loud or unpleasant sound; clamorous
Example
The noisy construction work outside made it difficult to concentrate.
A2 noun (plural) /ˈnuːdəlz/

noodles

Meaning
long, thin strips of dough made from flour, water, or eggs, cooked and eaten as food
Example
She cooked noodles with vegetables for dinner.
B1 noun /ˌnæʃəˈnæləti/

nationality

Meaning
The status of belonging to a particular nation, either by birth or naturalization.
Example
Her nationality is Canadian, though she was born in France.
B2 noun /nɒsˈtæl.dʒə/

nostalgia

Meaning
A sentimental longing for the past, typically for a period or place with happy personal associations.
Example
Listening to old songs fills me with nostalgia.
B2 noun /ˌnɔːrθˈiːst/

northeast

Meaning
the direction between north and east; a region or area located in that direction.
Example
The storm is moving toward the northeast.
B2 adverb /ˈnæʃənəli/

nationally

Meaning
at the level of a whole nation; in a way that involves or affects an entire country
Example
The policy was implemented nationally to ensure equal benefits for all citizens.
A2 noun /ˈnoʊ.tɪs/

Notice

Meaning
attention to something; a written or printed announcement
Example
The notice on the board announced the school closure.
C1 verb /nɪˈɡeɪt/

negate

Meaning
To cancel out or make ineffective; to deny the truth of something.
Example
The new evidence will negate the claims made earlier.
C1 noun /ˈnep.ə.tɪz.əm/

Nepotism

Meaning
the practice of favoring relatives or friends in business or politics
Example
The company was accused of nepotism in its hiring practices.
C2 verb /ˈnuːkliˌeɪt/

nucleate

Meaning
to form into a nucleus or bring together into a central part
Example
The droplets began to nucleate around tiny particles in the air.
C2 adjective ˌnjʊə.rəʊ.prəˈtek.tɪv

neuroprotective

Meaning
Having the ability to protect nerve cells from damage, degeneration, or impaired function.
Example
Omega-3 fatty acids have neuroprotective benefits.
B2 noun /ˈnɒvəlɪst/

novelist

Meaning
a person who writes novels
Example
The novelist spent years writing his new book.
C1 noun /nɑːtʃ/

notch

Meaning
A small cut or groove on the edge or surface of something; a level or degree of achievement.
Example
He carved a notch on the stick to mark the days.
C1 noun /ˈnjuːɑːns/

nuance

Meaning
A subtle difference in shade of meaning, appearance, or sound.
Example
He noticed the subtle nuance in her expression.
C1 noun /ˌnɑm.əˈni/

Nominee

Meaning
a person who is nominated for an office, award, or honor
Example
She was the nominee for the Best Actress award.
B2 noun /ˈnæp.kɪn/

Nap Kin

Meaning
a piece of cloth or paper used for wiping the mouth and hands while eating
Example
She placed the napkin on her lap before starting dinner.
C2 noun /ˈnɪn.i/

Ninny

Meaning
a silly or foolish person; someone who lacks common sense
Example
Don't be such a ninny, use your brain!
C2 noun /niːˈɒlədʒɪzəm/

neologism

Meaning
A newly coined word or expression.
Example
The internet has given rise to many neologisms like 'selfie' and 'hashtag'.
A2 adverb /ˈnaʊədeɪz/

nowadays

Meaning
At the present time; in contrast with the past.
Example
Nowadays, many people prefer shopping online.
B2 noun /ˈnek.taɪ/

Necktie

Meaning
a strip of cloth worn around the neck under a shirt collar and tied in front
Example
He adjusted his necktie before the important meeting.
C1 adverb /ˈnæroʊli/

Narrowly

Meaning
by a small margin; barely; in a limited way
Example
She narrowly escaped the accident.
B2 noun /ˈnæreɪtər/

narrator

Meaning
A person who tells the story in a book, play, or film.
Example
The narrator guided the audience through the complex plot.
A2 adverb /ˈnaɪsli/

nicely

Meaning
in a pleasant, kind, or satisfactory manner; carefully and appropriately
Example
She explained the problem nicely so everyone could understand.
B2 adjective /ˈneɪ.kɪd/

Naked

Meaning
without clothes or covering; bare; exposed; unclothed
Example
The naked truth about the situation shocked everyone.
C1 noun /njʊəˈrəʊ.sɪs/

neurosis

Meaning
A relatively mild mental illness that is not caused by organic disease, involving symptoms of stress.
Example
His neurosis made social interactions difficult.
B1 noun/adjective /ˈnɒvəl/

novel

Meaning
A long fictional narrative; also something new or unusual.
Example
She spent the weekend reading a historical novel.
C1 noun /nɪˈɡeɪʃən/

negation

Meaning
The act of denying something; the contradiction or absence of something.
Example
The theory is built on the negation of traditional beliefs.
B2 noun /ˌnəʊtɪfɪˈkeɪʃən/

notification

Meaning
an official or formal notice or message informing someone of something; an alert delivered by a system or device
Example
You will receive a notification when your application is approved.
C2 noun /nɪt/

nit

Meaning
The egg or young form of a louse or other parasitic insect.
Example
The teacher noticed nits in the child’s hair.
B2 adjective /naɪˈiːv/

naive

Meaning
Having a lack of experience or sophistication; overly innocent or trusting.
Example
She was naive to believe the scammer’s story.
A2 noun /ˈnoʊtbʊk/

notebook

Meaning
a small book with blank or ruled pages for writing notes; also a portable computer
Example
She opened her notebook to jot down some ideas.
C2 noun /ˈnæfθə/

naphtha

Meaning
A flammable oil containing hydrocarbons, obtained from petroleum or coal tar, used as fuel or solvent.
Example
The factory stored barrels of naphtha for industrial use.
A1 noun neɪmz

Names

Meaning
A word or set of words by which a person or thing is known.
Example
Names of family members are written on the family tree.
B2 noun; adjective /ˌnɒnˈprɒfɪt/

non-profit

Meaning
an organization that does not operate for profit and reinvests surplus to achieve social goals; not intended to make financial profit
Example
She works for a non-profit that provides free education to underprivileged children.
C1 verb /ˈnʌlɪfaɪ/

nullify

Meaning
to make something legally invalid or ineffective
Example
The court decided to nullify the contract.
C1 noun /ˈnɒnʃələns/

nonchalance

Meaning
A relaxed and calm state, showing lack of concern or interest.
Example
She answered the tough questions with surprising nonchalance.
B1 noun /ˈnɜːrsɪŋ/

nursing

Meaning
the profession or practice of caring for the sick or injured
Example
She is studying nursing to become a healthcare professional.
C1 noun njuːˈtræl.ə.ti

neutrality

Meaning
The state of not supporting or helping either side in a conflict, disagreement, etc.; impartiality.
Example
Neutrality fosters trust in decision-making.
A2 noun ˈneɪ.tʃər

nature

Meaning
The basic or inherent features of something, especially when seen as characteristic of it.
Example
The calm nature of the environment helps healing.
B2 noun ˈnætʃərəl ˈhæbɪtæt

Natural Habitat

Meaning
The natural environment where organisms live and fulfill their life needs.
Example
Protecting the natural habitat is crucial for butterflies.
C2 noun /ˈnoʊmənˌkleɪtʃər/

nomenclature

Meaning
A system of names or terms used in a particular science, art, or field.
Example
The chemical nomenclature can be difficult for beginners to understand.
A2 adverb /ˈnaʊədeɪz/

Now-a-days

Meaning
at the present time; in these times
Example
Now-a-days, people prefer online shopping.
C1 noun /naɪˈiːvɪti/

naivety

Meaning
The quality of being innocent, simple, and lacking experience or sophistication.
Example
Her naivety made her trust people too easily.
B2 adjective /nuːd/

nude

Meaning
Wearing no clothes; naked.
Example
The artist painted a nude model.
B1 noun /ˈnɜːrsəri/

nursery

Meaning
a room or place where young children are cared for
Example
She works in a nursery, taking care of infants.
A2 adverb /ˈnoʊwɛr/

Nowhere

Meaning
not anywhere; in no place
Example
I searched everywhere but the keys were nowhere to be found.
C1 adjective /nɪˈɡlɛktfʊl/

neglectful

Meaning
Failing to give proper care or attention.
Example
The neglectful parent left the child alone for hours.
C2 adjective /ˈnɔɪ.səm/

Noisome

Meaning
having an extremely offensive smell; harmful or unpleasant
Example
The noisome smell from the garbage made everyone cover their noses.
C2 noun /ˌnɒvəˈlɛt/

novellette

Meaning
A short novel or long short story.
Example
The author published a novellette as a preview of her upcoming series.
A2 noun /ˈnɛtˌwɜrk/

network

Meaning
A system of interconnected people, things, or computers.
Example
She built a strong professional network.
B1 adverb /ˈnjuːli/

newly

Meaning
in a new or recent manner
Example
She has newly renovated her house.
C1 adjective /ˈnɒnʃələnt/

nonchalant

Meaning
Appearing calm, casual, and unconcerned.
Example
He gave a nonchalant shrug and walked away.
A2 noun /nʌt/

nut

Meaning
a hard-shelled fruit that contains a seed, or a small metal piece used in machinery
Example
She ate a peanut, which is a type of nut.
C2 noun /ˌnɒn ˈsɛkwɪtər/

non sequitur

Meaning
a statement or conclusion that does not logically follow from the previous statement
Example
His comment about the weather was a complete non sequitur during the budget discussion.
C1 adjective /ˈnɔɪz.ləs/

Noiseless

Meaning
making no sound; completely silent
Example
She moved through the house in noiseless steps so as not to wake the baby.
B1 noun /neɪl/

Nail

Meaning
a small metal spike with a broadened flat head; part of finger or toe
Example
He hammered the nail into the wooden board.
C1 adjective /ˌnɒnˈvɜː.bəl/

non-verbal

Meaning
Not involving or using words or speech; communicated through gestures, body language, or facial expressions.
Example
Non-verbal cues are just as important as words.
C1 adjective + noun njuˈtrɪʃəs krɒps

nutritious crops

Meaning
Plants or vegetables that are rich in nutrients and beneficial for health
Example
Winter vegetables are considered nutritious crops.
B2 adjective, adverb /ˈneɪʃənˌwaɪd/

nationwide

Meaning
existing or happening throughout an entire nation
Example
The campaign received nationwide support.
C1 noun /ˈnaɪ.tɪŋ.ɡeɪl/

Nightingale

Meaning
small songbird known for its beautiful singing, especially at night
Example
The nightingale sang sweetly in the moonlight.