napkin
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A2 noun /ˈnæpkɪn/

napkin

ナプキン
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.
彼女は食事の前に膝の上にナプキンを置きました。
C1 verb /ˈnuːtər/

neuter

去勢する
Meaning
To remove the reproductive organs of an animal; or having no gender.
Example
They decided to neuter their cat to prevent more kittens.
彼らは、もっと子猫が生まれないように、猫を去勢することに決めました。
C1 adjective /ˈnɒm.ɪ.nəl/

Nominal

名目上の; 非常に小さい
Meaning
very small in size or amount; existing in name only
Example
He paid only a nominal fee for the membership since he was a student.
彼は学生だったので、会員費はわずかな名目料金でした。
C2 noun /njuːˈmɪzmətɪst/

numismatist

貨幣学者
Meaning
A person who studies or collects coins, paper currency, and medals.
Example
The numismatist displayed his rare coin collection at the exhibition.
貨幣学者は展示会で彼の希少なコインコレクションを展示しました
B2 adverb /ˈneɪmli/

Namely

すなわち; 特に;
Meaning
that is to say; specifically; to be precise
Example
Three cities, namely Paris, London, and Rome, were visited.
三つの都市、すなわちパリ、ロンドン、ローマが訪問されました。
C2 adjective /ˈnæti/

natty

おしゃれ
Meaning
Neat, stylish, and fashionable in appearance.
Example
He looked very natty in his new suit.
彼は新しいスーツでとてもおしゃれに見えた。
A2 adverb /ˈnɔːməli/

Normally

通常
Meaning
in the usual way; under normal circumstances
Example
I normally wake up at 7 AM every day.
私は通常毎日午前7時に起きます。
C1 noun /ˈnɑːrsɪsɪst/

narcissist

ナルシシスト
Meaning
A person who has an excessive interest in or admiration of themselves.
Example
Everyone avoided him because he was a narcissist.
みんな彼を避けていた、なぜなら彼はナルシシストだったから。
C2 verb /ˈnɪɡəl/

niggle

Meaning
to cause slight but persistent annoyance, discomfort, or worry
Example
A small doubt niggled at her mind.
C2 verb /ˈnɔːzieɪt/

nauseate

吐き気を催す
Meaning
To make someone feel sick, with an inclination to vomit.
Example
The spoiled food nauseated him quickly.
腐った食べ物は彼をすぐに吐き気を催させました。
B2 noun nɪˈsesɪti

necessity

必要性
Meaning
The fact of being required or indispensable; an indispensable thing.
Example
Waste management is a necessity for environmental sustainability.
廃棄物管理は環境の持続可能性にとって必要不可欠です。
C2 noun /ˌnɒvəˈlɛt/

novellette

小説
Meaning
A short novel or long short story.
Example
The author published a novellette as a preview of her upcoming series.
作者は彼女の次のシリーズのプレビューとして小説を発表しました。
C2 adjective /ˈneɪtl/

natal

出生に関連する
Meaning
Relating to birth or the place of birth.
Example
She returned to her natal village after many years.
彼女は何年も経った後、故郷の村に帰りました。
A1 adverb /naʊ/

now

今
Meaning
at the present moment or time
Example
I am studying now.
私は今勉強しています。
A2 verb /nɜːrs/

nurse

看護する
Meaning
to care for someone who is sick or injured; to feed a baby
Example
She nursed her sick mother back to health.
彼女は病気の母親の世話をして、元気を取り戻させました。
B1 noun /ˈneɪʃən/

nation

国家
Meaning
a large group of people united by common descent, history, culture, or language
Example
The nation celebrated its independence day with pride.
その国は独立記念日を誇りを持って祝いました。
C1 noun /ˈnaɪt.fɔːl/

nightfall

夜の始まり
Meaning
the time when night begins; dusk
Example
They decided to return home before nightfall.
彼らは夜の始まり前に家に帰ることに決めました。
C2 noun /ˈnjuː.trɪ.mənt/

nutriment

栄養
Meaning
Something that nourishes; sustenance or food.
Example
The soil provides nutriment to the plants.
土壌は植物に栄養を提供します。
C1 noun ˈnærətɪv staɪl

narrative style

物語のスタイル
Meaning
The way in which a story is told, including the point of view and the voice of the narrator.
Example
Dickens' narrative style is engaging and emotional.
ディケンズの物語のスタイルは魅力的で感情的です。
B2 adjective /ˈnuːkliər/

nuclear

原子力
Meaning
relating to the nucleus of an atom or to nuclear energy
Example
The country is developing nuclear energy.
その国は原子力エネルギーを開発しています。
C1 adjective /ˈneɡ.lɪ.dʒənt/

Negligent

不注意な
Meaning
failing to take proper care; careless; showing lack of attention
Example
The negligent driver caused a serious accident.
不注意な運転手が重大な事故を引き起こした。
C1 adjective /ˌniːoʊˈlɪθɪk/

neolithic

新石器時代の
Meaning
Relating to the later part of the Stone Age, when ground or polished stone weapons and tools prevailed.
Example
Neolithic communities began practicing agriculture and domesticating animals.
新石器時代のコミュニティは農業を行い、動物を飼いならし始めた。
A2 noun ˈneɪ.tʃər

nature

自然。性格。
Meaning
The basic or inherent features of something, especially when seen as characteristic of it.
Example
The calm nature of the environment helps healing.
環境の穏やかな性質は癒しを助けます。
B2 adverb /ˌnɒnˈstɒp/

Non-stop

ノンストップ; 途切れなく
Meaning
continuing without stopping; without interruption
Example
The train traveled non-stop from London to Paris.
その列車はロンドンからパリまでノンストップで走った。
A2 adjective /ˈnɜː.vəs/

Nervous

神経質な, 緊張した
Meaning
feeling anxious or worried; relating to the nerves; easily agitated
Example
She felt nervous before her job interview.
彼女は面接の前に緊張していた。
B2 noun /ˈnek.taɪ/

Necktie

ネクタイ
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.
彼は重要な会議の前にネクタイを調整した。
B2 noun /ˈnuː.tri.ənt/

nutrient

栄養素
Meaning
A substance that provides nourishment essential for growth and health of plants or animals.
Example
Plants absorb nutrients from the soil for growth.
植物は成長のために土壌から栄養素を吸収します。
C1 noun /nɪərˈvɑːnə/

nirvana

Meaning
A state of perfect happiness, peace, and freedom from suffering; in Buddhism, the ultimate goal of liberation.
Example
Meditation helps some people seek nirvana in their lives.
C1 noun /ˈnaɪ.tɪŋ.ɡeɪl/

Nightingale

ナイチンゲール
Meaning
small songbird known for its beautiful singing, especially at night
Example
The nightingale sang sweetly in the moonlight.
ナイチンゲールは月明かりの中で甘美に歌った。
A2 conjunction /nɔːr/

nor

またはない
Meaning
used to introduce a negative clause after a negative statement
Example
He didn't call, nor did he send a message.
彼は電話をかけなかったし、メッセージも送らなかった。
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

神経認知的
Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
睡眠不足により神経認知的機能が低下する。
C2 noun /ˌniːoʊˈpeɪɡənɪzəm/

neopaganism

ネオペイガニズム
Meaning
Modern religious movements influenced by or claiming to be derived from the various historical pagan beliefs of pre-modern Europe.
Example
Neopaganism has gained popularity as people seek spiritual alternatives to mainstream religions.
ネオペイガニズムは、人々が主流の宗教に代わる精神的な選択肢を探しているため、人気を集めています。
C1 adjective /ˈnɪp.i/

Nippy

寒い; ひんやり; 動きが速くて敏捷
Meaning
cold; chilly; quick and agile in movement
Example
It's quite nippy outside today, you should wear a jacket.
今日は外がかなり寒いので、ジャケットを着るべきです。
C2 adjective /ˈnɛðər/

nether

下の
Meaning
situated down or below; lower
Example
They explored the nether regions of the cave.
彼らは洞窟の下の地域を探索した。
B2 adjective /ˈneɪvəl/

naval

海軍の
Meaning
relating to a country's navy or military ships
Example
The country invested heavily in naval defense.
その国は海軍防衛に多額の投資をしました。
B2 adjective /ˈneɪbərɪŋ/

neighboring

隣接する
Meaning
situated near or next to another place; adjacent or nearby.
Example
They visited a neighboring village for the festival.
彼らは祭りのために隣の村を訪れました。
C1 noun /ˈnɪkəl/

nickel

ニッケル
Meaning
a small coin, typically worth five cents in the United States
Example
He found a nickel on the ground.
彼は地面でニッケルを見つけた。
B2 noun noʊˈbel praɪz

Nobel Prize

ノーベル賞
Meaning
Any of six international prizes awarded annually for outstanding work in physics, chemistry, physiology or medicine, literature, economics, and the promotion of peace.
Example
Nobel Prize recognition evaded Bose's contributions.
Nobel Prize recognition did not apply to Bose's contributions.
B2 adjective, adverb /ˈneɪʃənˌwaɪd/

nationwide

全国規模
Meaning
existing or happening throughout an entire nation
Example
The campaign received nationwide support.
キャンペーンは全国的な支持を得ました。
A2 noun (plural) /ˈnuːdəlz/

noodles

麺
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.
彼女は夕食に野菜入りの麺を作った。
B2 adverb /ˈnɔɪzɪli/

Noisily

騒々しく
Meaning
in a way that makes a lot of noise; loudly
Example
The children were playing noisily in the playground.
子供たちは遊び場で騒がしく遊んでいました。
B2 noun, verb /nɜːrv/

nerve

神経; 勇気
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.
彼女は大きな観客の前で話す勇気を持っていた。
B2 adjective /ˈnoʊ.bəl/

Noble

高貴な
Meaning
having high moral qualities; honorable; generous; of aristocratic birth
Example
His noble actions helped many people in need.
彼の高貴な行いは困っている多くの人々を助けた。
C1 adjective /ˈnɔɪz.ləs/

Noiseless

無音の; 完全に静かな
Meaning
making no sound; completely silent
Example
She moved through the house in noiseless steps so as not to wake the baby.
彼女は赤ちゃんを起こさないように、無音で家の中を歩きました。
B1 noun /nuːn/

noon

正午
Meaning
12 o'clock in the daytime; midday
Example
The meeting will start at noon.
会議は正午に始まります。
A1 verb /niːd/

need

必要
Meaning
to require something; to be in want of
Example
I need help with my homework.
私は宿題に助けが必要です。
B2 verb /nɒd/

nod

うなずく
Meaning
to move one's head down and up to show agreement or acknowledgment
Example
She nodded in agreement with the proposal.
彼女は提案に同意してうなずいた。
C2 noun /nɪt/

nit

シラミの卵
Meaning
The egg or young form of a louse or other parasitic insect.
Example
The teacher noticed nits in the child’s hair.
先生は子供の髪の毛にシラミの卵を見つけました。
C1 adjective /nəʊˈmæd.ɪk/

nomadic

遊牧
Meaning
Living the life of a nomad; wandering from place to place without a fixed home.
Example
The tribe led a nomadic lifestyle.
部族はノマディックなライフスタイルを送っていた。
C2 adjective /ˈnɪɡərdli/

niggardly

ケチ
Meaning
unwilling to spend or give; stingy or miserly
Example
He was too niggardly to leave a decent tip.
彼はまともなチップを置くにはあまりにケチだった。
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.
C1 noun /ˈnɑv.ɪs/

Novice

初心者
Meaning
a person new to or inexperienced in a field or situation; a beginner
Example
As a novice driver, she was very careful on the road.
初心者のドライバーとして、彼女は道路で非常に慎重でした。
C1 noun /ˈniːdəlwɜːrk/

needlework

刺繍, 手芸
Meaning
The craft of sewing, embroidery, or knitting done with a needle.
Example
Her grandmother taught her the art of needlework.
彼女の祖母は彼女にニードルワークの技術を教えました。
C1 noun /ˈnʌr.ɪʃ.mənt/

nourishment

栄養
Meaning
Food and nutrients necessary for the body's growth and development.
Example
Proper nourishment is essential for child development.
適切な栄養は子供の発達に不可欠です。
A2 noun /nek/

Neck

首
Meaning
the part of the body connecting the head to the shoulders
Example
She wore a beautiful necklace around her neck.
彼女は首に美しいネックレスをしていた。
B2 adjective /ˈnær.ə.tɪv/

Narrative

物語的な; 描写的な; 物語を語る
Meaning
relating to storytelling; descriptive; telling a story; recounting events
Example
The narrative structure of the novel was quite complex.
その小説の物語的な構造はかなり複雑でした。
B2 verb /ˈnæreɪt/

narrate

物語る
Meaning
To tell a story or describe events, often in detail.
Example
She will narrate the events of her journey to the audience.
彼女は観客に自分の旅の出来事を語るでしょう。
C1 verb /ˈnɔːrməlaɪz/

normalize

正常化する
Meaning
to bring something back to a normal or standard condition; to make something conform to a standard
Example
The government took steps to normalize relations with neighboring countries.
政府は関係を正常化するための措置を取った。
C1 adjective /ˈnær.oʊ ˈmaɪn.dɪd/

Narrow-minded

視野が狭い
Meaning
unwilling to consider new ideas; prejudiced; intolerant; having a limited perspective
Example
His narrow-minded attitude prevented him from accepting new ideas.
彼の視野が狭いため、新しいアイデアを受け入れることができませんでした。
B2 noun /nɒsˈtæl.dʒə/

nostalgia

ノスタルジア
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.
古い歌を聞くと、ノスタルジアで満たされます。
C1 noun ˈnɛktər

Nectar

蜜
Meaning
A sweet liquid produced by flowers that serves as food for butterflies.
Example
Butterflies drink nectar from flowers.
蝶々は花からネクターを飲みます。
C2 adjective /ˈneb.jə.ləs/

Nebulous

曖昧な; 不明瞭な; 霧のような
Meaning
vague or unclear; lacking definite form; hazy
Example
His plans for the future remain nebulous and unclear.
彼の未来の計画は依然として曖昧で不明確です。
A2 adjective /ˈnæsti/

nasty

嫌な
Meaning
very unpleasant, unkind, or offensive
Example
He made a nasty comment about her dress.
彼は彼女のドレスについて嫌なコメントをしました。
B2 verb /ˈnoʊtɪfaɪ/

notify

通知する
Meaning
to inform someone officially about something
Example
The manager will notify the staff about the schedule change.
マネージャーはスタッフにスケジュールの変更について通知します。
C1 noun /ˈnep.ə.tɪz.əm/

Nepotism

縁故主義
Meaning
the practice of favoring relatives or friends in business or politics
Example
The company was accused of nepotism in its hiring practices.
その会社は採用活動においてネポティズムを行っていると非難された。
B2 noun /ˌnəʊtɪfɪˈkeɪʃən/

notification

通知
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.
申請が承認されると通知が届きます。
C1 noun /ˈnɒs.trɪl/

Nostril

鼻孔
Meaning
either of the two openings in the nose through which air passes
Example
The doctor checked each nostril for any blockage.
医師は鼻孔のそれぞれをブロックがないか調べました。
A1 noun /naɪn/

nine

九
Meaning
the number that is one more than eight
Example
She has nine books in her collection.
彼女はコレクションに9冊の本を持っています。
C2 noun /ˈneɪdɪər/

nadir

Meaning
The lowest point of a situation or condition.
Example
The company reached its nadir during the financial crisis.
C1 adjective/noun /ˈnɜːr.tʃɚ.ɪŋ/

nurturing

養育, 促進, 発展
Meaning
The process of caring for and encouraging growth or development.
Example
A nurturing environment helps children thrive.
ナーチャリング環境は子供たちが成長するのを助けます。
C1 adjective /ˈnɔːtɪkəl/

nautical

航海
Meaning
relating to ships, sailors, or navigation on water
Example
He studied nautical charts before setting sail.
彼は出航前に海図を勉強しました。
B2 noun /ˈnɛtˌwɜːkɪŋ/

networking

ネットワーキング
Meaning
The action of establishing connections and relationships, especially for career or business purposes.
Example
Networking is important for career development.
ネットワーキングはキャリア開発にとって重要です。
B2 verb /ˈnæv.ɪ.ɡeɪt/

navigate

ナビゲート
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.
GPSは複雑なルートをナビゲートするのに役立ちます。
B1 noun /ˈnætʃərəl dɪˈzæstər/

natural disaster

自然災害
Meaning
a catastrophic event caused by natural processes of the Earth that results in significant damage, destruction, or loss of life
Example
The coastal town was devastated by a natural disaster.
その沿岸の町は自然災害で壊滅的な被害を受けた。
C2 adjective /ˈnʌpʃəl/

nuptial

結婚式の
Meaning
Relating to marriage or weddings.
Example
The couple prepared for their nuptial ceremony with great joy.
そのカップルは喜びと共に結婚式の準備をしました。
C1 adjective /ˌnɒn ɪɡˈzɪstənt/

non-existent

存在しない
Meaning
not real or not present; lacking existence
Example
The supposed evidence turned out to be non-existent.
仮定された証拠は存在しないことが判明しました。
C2 adjective /ˈnɔɪ.səm/

Noisome

不快な臭い; 有害または不快な
Meaning
having an extremely offensive smell; harmful or unpleasant
Example
The noisome smell from the garbage made everyone cover their noses.
ゴミからの不快な臭いが、みんなを鼻を押さえさせました。
A2 adjective /niːt/

Neat

きれいで整理された; よく整理された; 丁寧に作られた
Meaning
clean and tidy; well-organized; carefully done
Example
Her room is always neat and organized.
彼女の部屋はいつもきれいで整理整頓されています。
B1 adverb /ˈnætʃərəli/

Naturally

自然に
Meaning
in a natural manner; as expected; of course
Example
She naturally excels in mathematics.
彼女は数学で自然に優れている。
C1 noun ˌnɒn.kəʊˌɒp.ərˈeɪ.ʃən

non-cooperation

非協力
Meaning
The practice of refusing to cooperate, especially as a form of protest.
Example
The non-cooperation movement gained momentum.
非協力運動は勢いを得た。
C2 noun /neɪv/

nave

教会の中央部
Meaning
the central part of a church building intended to accommodate the congregation
Example
The choir sang beautifully in the church nave.
合唱団は教会のネイヴで美しく歌いました。
C2 noun /ˈnɛkrəˌmænsi/

necromancy

死霊術
Meaning
the practice of communicating with the dead, often to predict the future
Example
Ancient texts described rituals of necromancy performed by priests.
古代の文献には、神父たちによって行われた死霊術の儀式が記述されています。
A2 adjective /ˈnætʃərəl/

natural

自然な
Meaning
existing in or derived from nature; not made or caused by humankind
Example
She prefers to use natural ingredients in her cooking.
彼女は料理に自然な食材を使うのが好きです。
C2 noun /naɪˈdʒel.ə/

Nigella

ブラッククミン
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.
パンの上にブラッククミンの種を振りかけてから焼きます。
C1 noun /njʊˈrɑːlədʒi/

neurology

Meaning
The branch of medicine that deals with disorders of the nervous system.
Example
She specializes in neurology and treats patients with brain diseases.
C2 noun /ˌnjʊə.rəʊˈdʒɛn.ɪ.sɪs/

neurogenesis

新しい神経細胞の形成プロセス
Meaning
The process of forming new nerve cells in the brain.
Example
Scientists are studying neurogenesis to understand brain health.
科学者たちは神経発生を研究して、脳の健康を理解しようとしています。
C1 noun /ˈnɛkˌlaɪn/

neckline

ネックライン
Meaning
the edge of a garment around the neck, especially as cut to form a particular shape
Example
The dress has a beautiful V-shaped neckline.
そのドレスには美しいV字型のネックラインがあります。
C1 noun /ˈnɑː.sɪ.sɪ.zəm/

narcissism

自己愛
Meaning
Excessive interest in or admiration of oneself; extreme selfishness.
Example
His excessive narcissism made it difficult for him to empathize with others.
彼の過度な自己愛は、他人に共感するのを難しくした。
A1 verb /neɪm/

name

名付ける
Meaning
to give a title or designation to someone or something
Example
They decided to name their baby Sarah.
彼らは赤ちゃんにサラという名前を付けることに決めました。
B1 adjective /ˈneɪtɪv/

native

ネイティブ
Meaning
Belonging to a person by birth; originating in a particular place.
Example
He is a native speaker of Bengali.
彼はベンガル語のネイティブスピーカーです。
C2 noun /naɪt kwiːn/

Night queen

月下香
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.
月下香の花が甘い香りで庭を満たしました。
C1 noun /nuːs/

Noose

ロープ
Meaning
a loop with a running knot used for hanging; a trap or snare
Example
The cowboy made a noose to catch the wild horse.
カウボーイは野生の馬を捕まえるためにロープを作りました。
C1 adjective + noun njuˈtrɪʃəs krɒps

nutritious crops

栄養豊富な作物
Meaning
Plants or vegetables that are rich in nutrients and beneficial for health
Example
Winter vegetables are considered nutritious crops.
冬の野菜は栄養価の高い作物と見なされています。
C2 noun /ˈnɒn.ɪʤ/

Nonage

未成年
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.
彼が未成年であった間、すべての法的決定は保護者によって下された。
C1 noun /ˈnoʊmæd/

nomad

ノマド
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.
砂漠はかつて動物を飼うことで生きていたノマドの家だった。
C1 noun /ˈnjuːɑːns/

nuance

ニュアンス
Meaning
A subtle difference in shade of meaning, appearance, or sound.
Example
He noticed the subtle nuance in her expression.
彼は彼女の表情に微妙なニュアンスに気づきました。
B1 noun /ˈnaɪt.meər/

Nightmare

悪夢
Meaning
a frightening or unpleasant dream; a very unpleasant experience
Example
The exam was a complete nightmare for unprepared students.
試験は準備不足の学生にとって完全な悪夢でした。
A2 adjective /ˈnæʃənəl/

national

国民の
Meaning
relating to a nation, especially its culture, language, or government
Example
The national anthem was played at the ceremony.
国歌は式典で演奏されました。
C1 noun /naɪˈiːvteɪ/

naivete

Meaning
The quality of being naive; lack of experience, wisdom, or judgment.
Example
His naivete made him an easy target for manipulation.
C2 noun /ˈnaɪɪˌlɪzəm/

nihilism

虚無主義
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.
哲学者はニヒリズムを推進したとして批判されました。
C2 adjective /ˈnjuː.trɪ.tɪv/

nutritive

栄養のある
Meaning
Relating to nutrition; having nourishing qualities.
Example
The nutritive value of the fruit is very high.
果物の栄養価は非常に高いです。
C2 noun /nɛˈkroʊsɪs/

necrosis

壊死
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.
医師は、患者の傷が壊死の兆候を示していると説明しました。
C2 verb /ˈnuːkliˌeɪt/

nucleate

核形成
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.
水滴は空気中の小さな粒子の周りで核を形成し始めました。
C2 noun, adjective /nɒn ˈkɒmbətənt/

non-combatant

非戦闘員
Meaning
a person not engaged in fighting during a war, such as civilians or medical staff
Example
The Red Cross workers were treated as non-combatants in the conflict.
赤十字のスタッフは紛争で非戦闘員として扱われました。
C1 verb /nəˈsɛsɪteɪt/

necessitate

必要とする
Meaning
To make something necessary or unavoidable.
Example
The heavy rains necessitated the cancellation of the event.
激しい雨はイベントのキャンセルを避けられないものにしました。
A2 verb /noʊt/

note

ノートする
Meaning
to write down or observe something; to pay attention to
Example
Please note the important points during the lecture.
講義中に重要な点をノートしてください。
B2 adjective ˈnjuːtrəl

neutral

中立
Meaning
Having no electric charge; neither positive nor negative.
Example
Neutrons are electrically neutral.
中性子は電気的に中性です。
C2 noun /nɪb/

nib

ペン先
Meaning
the pointed end of a pen used for writing or drawing
Example
He dipped the nib into the ink before writing.
彼は書く前にペン先をインクに浸しました。
B1 noun/adjective /ˈnɒvəl/

novel

小説 / 新しい
Meaning
A long fictional narrative; also something new or unusual.
Example
She spent the weekend reading a historical novel.
彼女は週末に歴史小説を読んで過ごしました。
C1 adjective /ˈnɒnʃələnt/

nonchalant

Meaning
Appearing calm, casual, and unconcerned.
Example
He gave a nonchalant shrug and walked away.
B2 noun /ˈnjuːzˌlɛtər/

newsletter

ニュースレター
Meaning
a printed or electronic report containing news or information about a company or organization
Example
The company sends a weekly newsletter to its employees.
その会社は毎週社員にニュースレターを送ります。
C2 noun /nɑːrˈsɪsəs/

narcissus

ナルシスの花
Meaning
A type of flowering plant with yellow or white blooms, often associated with self-love from Greek mythology.
Example
A narcissus bloomed in the garden during spring.
春に、庭でナルシスの花が咲きました。
A2 adverb /ˈnaɪsli/

nicely

上手に
Meaning
in a pleasant, kind, or satisfactory manner; carefully and appropriately
Example
She explained the problem nicely so everyone could understand.
彼女はみんなが理解できるように上手に説明した。
C1 noun /niːʃ/

Niche

市場のニッチ、専門分野、ターゲット市場
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.
適切なニッチを見つけることが、成功するビジネスの鍵です。
C1 noun /ˈnɛm.ə.sɪs/

nemesis

敵 / ライバル
Meaning
A long-standing rival or an inescapable agent of downfall.
Example
For years, he considered his colleague to be his nemesis.
何年もの間、彼は同僚を自分の敵だと思っていた。
B2 noun /ˌnoʊtɪfɪˈkeɪʃənz/

notifications

通知
Meaning
A notice or announcement, especially an official one.
Example
Turn off notifications to stay focused.
通知をオフにして集中を保つ。
A1 noun neɪmz

Names

名前
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.
家族の名前は家系図に書かれています。
C1 noun /nɪl/

Nil

ゼロ; 何もない
Meaning
nothing; zero; no amount
Example
His chances of winning were nil after the scandal.
スキャンダル後、彼の勝つチャンスはゼロになった。
C2 noun /ˈnʌnəri/

nunnery

修道院
Meaning
A convent or building where nuns live and work.
Example
She decided to join the nunnery to devote her life to spiritual practice.
彼女は精神的な実践に人生を捧げるために修道院に参加することを決めました。
C2 noun /naɪt ˈdʒæz.mɪn/

Night-jesmine

夜香木
Meaning
a fragrant flowering tree that blooms at night with small white flowers
Example
The night-jasmine tree blooms only after sunset with its tiny white flowers.
夜香木の木は日没後に小さな白い花を咲かせます。
A2 noun /niːs/

niece

姪
Meaning
the daughter of one's brother or sister
Example
My niece is studying at the university this year.
私の姪は今年大学で勉強しています。