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C1 noun /noʊˈteɪʃən/

notation

Meaning
A system of symbols or signs used to represent information, especially in mathematics or music.
Example
The teacher explained the notation used in the algebra equations.
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.
C2 adjective /ˈnɪɡərdli/

niggardly

Meaning
unwilling to spend or give; stingy or miserly
Example
He was too niggardly to leave a decent tip.
B2 adjective /ˈneɪ.bər.ɪŋ/

Neighbouring

Meaning
situated next to or very near; adjacent; bordering
Example
We often visit our neighbouring countries for trade.
C2 noun /ˈnaɪsəti/

nicety

Meaning
a fine or subtle detail, or a refined, delicate aspect of something
Example
The lawyer explained the legal niceties of the case.
B1 noun /ˈnɑn.sens/

Nonsense

Meaning
words or language that have no meaning; foolish or unacceptable behavior
Example
Stop talking nonsense and be serious!
A2 adverb /ˈnaʊədeɪz/

Now-a-days

Meaning
at the present time; in these times
Example
Now-a-days, people prefer online shopping.
C1 adjective ˌnɒnˈvɜːr.bəl

nonverbal

Meaning
Communication using body language, facial expressions, or gestures instead of words
Example
Nonverbal cues play a crucial role in effective communication.
C2 noun /ˈniːəˌfaɪt/

neophyte

Meaning
A beginner or novice in a subject, skill, or belief.
Example
As a neophyte in programming, she often asked for guidance from her mentor.
C2 noun /næˈteɪʃən/

natation

Meaning
The act or sport of swimming.
Example
She took lessons in natation to improve her swimming skills.
C1 verb /ˈnɪbəl/

nibble

Meaning
to take small bites of food
Example
The rabbit nibbled on a carrot.
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.
A1 noun /naɪn/

nine

Meaning
the number that is one more than eight
Example
She has nine books in her collection.
B2 noun ˈnɒv.əl.ti

novelty

Meaning
The quality of being new, original, or unusual; a new or unfamiliar thing or experience.
Example
The novelty of the invention attracted investors.
B2 noun /ˈnɛtˌwɜːkɪŋ/

networking

Meaning
The action of establishing connections and relationships, especially for career or business purposes.
Example
Networking is important for career development.
C2 adjective /ˈnjuː.mər.ə.bəl/

Numerable

Meaning
capable of being counted; countable
Example
The stars in the sky are not numerable.
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.
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 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.
B2 noun /ˈnuː.tri.ənt/

nutrient

Meaning
A substance that provides nourishment essential for growth and health of plants or animals.
Example
Plants absorb nutrients from the soil for growth.
C1 adjective /ˈneɪm.ləs/

Nameless

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

nuanced

Meaning
Characterized by subtle shades of meaning or expression; having fine gradations of meaning, tone, or feeling.
Example
His analysis of the novel was highly nuanced.
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 noun /ˈnuː.səns/

Nuisance

Meaning
a person, thing, or circumstance causing inconvenience or annoyance
Example
The constant noise from construction is a real nuisance.
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.
C1 noun /ˈnjuːtrɪənt dɪˈfɪʃənsi/

nutrient deficiency

Meaning
A lack of essential nutrients required for healthy plant growth, which can result in poor crop development, reduced yields, and increased susceptibility to diseases.
Example
Nutrient deficiency in the soil can reduce crop productivity.
C1 adjective /ˈnæv.ɪ.ɡə.bəl/

Navigable

Meaning
suitable for ships or boats to travel on; able to be navigated
Example
The river is navigable for small boats during the rainy season.
C1 verb /ˈnɛsəl/

nestle

Meaning
to settle or lie comfortably within or against something
Example
The child nestled into her mother's arms.
C2 adjective /nɪˈfɛəriəs/

nefarious

Meaning
Wicked, criminal, or morally bad.
Example
The police uncovered a nefarious plot to cheat investors.
C1 noun /ˈnɜr.tʃər/

Nurture

Meaning
the process of caring for and encouraging growth or development
Example
Good parenting involves both nature and nurture.
C2 adjective /ˈnæti/

natty

Meaning
Neat, stylish, and fashionable in appearance.
Example
He looked very natty in his new suit.
B1 noun /ˈneɪʃən/

nation

Meaning
a large group of people united by common descent, history, culture, or language
Example
The nation celebrated its independence day with pride.
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.
C1 noun /ˈneb.jʊ.lə/

nebula

Meaning
A cloud of gas and dust in outer space, sometimes visible in the night sky.
Example
The Orion Nebula is one of the brightest in the sky.
C2 noun /niˈɒlədʒi/

neology

Meaning
The use of new words or the study of their origin.
Example
The professor specialized in neology, studying the creation of modern slang.
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.
B2 verb /nɒd/

nod

Meaning
to move one's head down and up to show agreement or acknowledgment
Example
She nodded in agreement with the proposal.
B2 verb /nɪˈɡlekt/

neglect

Meaning
to fail to care for or give attention to something
Example
Don't neglect your health while studying.
C1 verb /ˈnjuːtrəlaɪz/

neutralize

Meaning
to make something ineffective or harmless
Example
The medicine helped neutralize the poison in his system.
C2 adjective /ˈneb.jə.ləs/

Nebulous

Meaning
vague or unclear; lacking definite form; hazy
Example
His plans for the future remain nebulous and unclear.
C1 noun /noʊz rɪŋ/

Nose ring

Meaning
a piece of jewelry worn through a piercing in the nose
Example
She got a small gold nose ring for her birthday.
A2 adverb /ˈnɔːməli/

Normally

Meaning
in the usual way; under normal circumstances
Example
I normally wake up at 7 AM every day.
A2 adjective ˈnesəseri

necessary

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

neither

Meaning
used to connect two negative alternatives
Example
Neither the manager nor the assistant could attend the meeting.
A2 adjective /ˈnɜː.vəs/

Nervous

Meaning
feeling anxious or worried; relating to the nerves; easily agitated
Example
She felt nervous before her job interview.
A2 adjective /ˈnæsti/

nasty

Meaning
very unpleasant, unkind, or offensive
Example
He made a nasty comment about her dress.
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.
C2 noun /njuːˈmɪzmətɪst/

numismatist

Meaning
A person who studies or collects coins, paper currency, and medals.
Example
The numismatist displayed his rare coin collection at the exhibition.
A1 verb /neɪm/

name

Meaning
to give a title or designation to someone or something
Example
They decided to name their baby Sarah.
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.
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.
A1 adverb /ˈnɛvər/

never

Meaning
at no time in the past or future; not ever
Example
I have never seen such a beautiful sunset.
A2 adverb /ˈnaʊədeɪz/

nowadays

Meaning
At the present time; in contrast with the past.
Example
Nowadays, many people prefer shopping online.
C2 noun /nɛˈkroʊsɪs/

necrosis

Meaning
the death of body tissue due to disease, injury, or lack of blood supply
Example
The doctor explained that the patient’s wound showed signs of necrosis.
C2 verb /ˌnɒnˈplʌst/

nonplussed

Meaning
Past tense of nonplus; surprised and unsure how to react.
Example
He stood nonplussed at the strange remark.
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.
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!
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.
A2 noun /ˈnefjuː/

nephew

Meaning
the son of one’s brother or sister
Example
My nephew is studying at the university.
C2 noun /niːˈɒkrəsi/

neocracy

Meaning
A government or leadership run by inexperienced or new officials.
Example
The sudden revolution led to a neocracy with inexperienced leaders.
A2 noun /ˈnæpkɪn/

napkin

Meaning
a piece of cloth or paper used to wipe the mouth and hands while eating
Example
She placed a napkin on her lap before eating.
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.
A2 noun /ˈnɛtˌwɜrk/

network

Meaning
A system of interconnected people, things, or computers.
Example
She built a strong professional network.
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 adjective /ˈnjuː.tri.ənt dɛns/

nutrient-dense

Meaning
Rich in nutrients and high nutritional value.
Example
Organic food is often more nutrient-dense than processed food.
B2 adjective ˈnjuːtrəl

neutral

Meaning
Having no electric charge; neither positive nor negative.
Example
Neutrons are electrically neutral.
A2 noun /nɔɪz/

Noise

Meaning
a sound, especially one that is loud or unpleasant
Example
The noise from the construction site was very disturbing.
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.
A1 adverb /nɒt/

not

Meaning
used to make a word or phrase negative
Example
I do not like spicy food.
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.
B1 noun /nɛt/

net

Meaning
a piece of material made of threads or ropes woven together, used to catch or hold things
Example
The fisherman cast his net into the sea.
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.
A2 noun /ˈnek.ləs/

Necklace

Meaning
a piece of jewelry that is worn around the neck
Example
She wore a beautiful diamond necklace to the party.
C1 noun ˌnæʃ.ən.ə.laɪˈzeɪ.ʃən

nationalization

Meaning
The process of a government taking control of private property or industry.
Example
The nationalization of banks was aimed at stabilizing the economy.
A2 noun /nek/

Neck

Meaning
the part of the body connecting the head to the shoulders
Example
She wore a beautiful necklace around her neck.
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.
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.
C1 noun, adjective /ˌnɒn ˈrɛzɪdənt/

non-resident

Meaning
a person who does not live in a particular country or place permanently
Example
Non-resident students often pay higher tuition fees.
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.
B2 verb /ˈnoʊtɪfaɪ/

notify

Meaning
to inform someone officially about something
Example
The manager will notify the staff about the schedule change.
C1 adjective /ˈneɡ.lɪ.dʒə.bəl/

Negligible

Meaning
so small or unimportant as to be not worth considering; insignificant
Example
The side effects of this medicine are negligible.
C2 adjective /ˌnɒnˈtrɪviəl/

nontrivial

Meaning
Not simple or easy; requiring effort or significant thought.
Example
Solving the equation turned out to be a nontrivial task.
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 /ˈnaɪ.tɪŋ.ɡeɪl/

Nightingale

Meaning
small songbird known for its beautiful singing, especially at night
Example
The nightingale sang sweetly in the moonlight.
C1 noun /ˈnɛktəriːn/

nectarine

Meaning
A smooth-skinned variety of peach.
Example
She bought a basket of fresh nectarines from the market.
B1 noun /nuːn/

noon

Meaning
12 o'clock in the daytime; midday
Example
The meeting will start at noon.
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.
C2 adjective /ˈnɛtlˌsʌm/

nettlesome

Meaning
Causing irritation, annoyance, or difficulty.
Example
The nettlesome rules frustrated the workers.
C1 adjective /ˈneɪzl/

nasal

Meaning
Relating to the nose; a sound produced through the nose.
Example
He spoke with a nasal voice due to his cold.
B2 adjective /nuːd/

nude

Meaning
Wearing no clothes; naked.
Example
The artist painted a nude model.
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.
C2 adjective /ˌnɒndɪˈskrɪpt/

nondescript

Meaning
Lacking distinctive or interesting features; dull and unremarkable.
Example
He lives in a nondescript apartment building on the edge of town.
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.
B2 adjective /njuːˈmɛrɪkəl/

numerical

Meaning
relating to or expressed in numbers
Example
The report provides numerical data on population growth.
B2 noun nɪˈsesɪti

necessity

Meaning
The fact of being required or indispensable; an indispensable thing.
Example
Waste management is a necessity for environmental sustainability.
C2 noun /ˌnjuːməˈreɪʃən/

numeration

Meaning
the action or process of counting or assigning numbers
Example
The teacher explained the basics of numeration to the students.
B1 adverb /ˌnesəˈserəli/

Necessarily

Meaning
as a necessary result; inevitably; by logical consequence
Example
Rich people are not necessarily happy.
C2 noun /ˈnaɪɪˌlɪzəm/

nihilism

Meaning
The rejection of all religious and moral principles, often in the belief that life is meaningless.
Example
The philosopher was criticized for promoting nihilism.
B2 adjective /ˌnɒnˈprɒfɪt/

nonprofit

Meaning
an organization that does not aim to make a profit, often serving a social or charitable purpose.
Example
She works for a nonprofit organization that helps children.
B2 adverb /ˈnoʊtəbli/

notably

Meaning
used to indicate something worthy of attention or significant
Example
She is notably talented in painting.
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.
B2 adjective /ˈniː.di/

Needy

Meaning
requiring help or support; poor; lacking basic necessities
Example
The charity helps needy families during the winter.
B2 verb /ˈnæreɪt/

narrate

Meaning
To tell a story or describe events, often in detail.
Example
She will narrate the events of her journey to the audience.
A1 noun /ˈnʌmbər/

number

Meaning
a mathematical value used to count, measure, or label
Example
She gave me her phone number.
C1 adjective /ˌnɒn ɪɡˈzɪstənt/

non-existent

Meaning
not real or not present; lacking existence
Example
The supposed evidence turned out to be non-existent.
B1 noun /ˈneɪvi/

Navy

Meaning
the branch of armed forces that conducts military operations at sea
Example
He joined the navy after graduating from college.
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.
A2 adjective /ˈnæʃənəl/

national

Meaning
relating to a nation, especially its culture, language, or government
Example
The national anthem was played at the ceremony.
A1 adverb /naʊ/

now

Meaning
at the present moment or time
Example
I am studying now.
C1 noun /nɑːrˈkɒtɪk/

narcotic

Meaning
A drug that dulls the senses and relieves pain, often causing sleep and sometimes addiction.
Example
The police seized a large amount of narcotic substances.
C2 adjective /ˈnɛðər/

nether

Meaning
situated down or below; lower
Example
They explored the nether regions of the cave.
C1 noun /nɔːrm/

Norm

Meaning
a standard of behavior; what is typical or expected
Example
Working late has become the norm in this company.
C2 adjective /ˌnɒnkəˈmɪtl̩/

noncommittal

Meaning
Not expressing or showing a clear opinion, decision, or commitment.
Example
She gave a noncommittal reply when asked about her future plans.
A2 noun /ˈnjuːzˌpeɪpər/

newspaper

Meaning
a printed publication (usually daily or weekly) containing news, articles, advertisements, and correspondence
Example
I read the newspaper every morning.
C1 adjective /ˈnɪmbəl/

nimble

Meaning
Quick and light in movement or thought.
Example
The dancer’s nimble steps impressed the audience.
B2 adverb /ˌnɛvəðəˈlɛs/

nevertheless

Meaning
in spite of that; however
Example
He was tired; nevertheless, he kept working.
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.
C1 adjective /nəʊˈmæd.ɪk/

nomadic

Meaning
Living the life of a nomad; wandering from place to place without a fixed home.
Example
The tribe led a nomadic lifestyle.
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.
A1 adjective /njuː/

new

Meaning
recently made, discovered, or introduced; not existing before
Example
He bought a new car yesterday.