Negligence
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C1 noun /ˈneɡ.lɪ.dʒəns/

Negligence

過失
Meaning
failure to take proper care in doing something; carelessness
Example
The accident was caused by driver negligence.
事故は運転手の不注意によって引き起こされました。
A2 adjective /ˈnɔɪ.zi/

Noisy

騒々しい
Meaning
making a lot of loud or unpleasant sound; clamorous
Example
The noisy construction work outside made it difficult to concentrate.
外の騒々しい建設作業で集中するのが難しかった。
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.
A2 noun /nʌt/

nut

ナッツ
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.
彼女はピーナッツを食べました、それはナッツの一種です。
B2 adjective /njuːˈtrɪʃ.əs/

Nutritious

栄養価の高い
Meaning
containing substances that help the body grow and stay healthy; nourishing
Example
Eating nutritious food helps maintain good health.
栄養価の高い食べ物を摂ることは、健康を保つのに役立ちます。
B1 noun /nest/

Nest

巣
Meaning
a structure built by birds to lay eggs and shelter their young
Example
The bird built a nest in the tree.
鳥は木に巣を作った。
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 njuːˈtræl.ə.ti

neutrality

中立
Meaning
The state of not supporting or helping either side in a conflict, disagreement, etc.; impartiality.
Example
Neutrality fosters trust in decision-making.
中立は意思決定において信頼を育みます。
B2 noun /ˈnæʃənəl ˈænθəm/

national anthem

国歌
Meaning
an official patriotic song of a country, performed at national events and ceremonies
Example
The national anthem was played before the international match.
国際試合の前に国歌が演奏された。
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。
B2 noun /njuːˈtrɪʃ.ən/

nutrition

栄養
Meaning
The process of providing or obtaining the food necessary for health and growth.
Example
Good nutrition is vital for a healthy life.
良い栄養は健康的な生活にとって重要です。
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。
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。
C1 noun /nɑːtʃ/

notch

切り込み
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.
彼は日数を記録するために棒に切り込みを入れました。
B1 noun /ˈnɜːrsɪŋ/

nursing

看護
Meaning
the profession or practice of caring for the sick or injured
Example
She is studying nursing to become a healthcare professional.
彼女は医療専門職になるために看護学を学んでいます。
B2 noun /næˈreɪʃən/

narration

ナレーション
Meaning
The act of telling a story or describing events in detail.
Example
The movie’s narration was done by a famous actor.
映画のナレーションは有名な俳優によって行われました。
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。
C2 adjective /njuːˈtoʊniən/

newtonian

ニュートンの法則に関連する
Meaning
relating to the laws of motion and gravitation formulated by Sir Isaac Newton
Example
The scientist explained the Newtonian laws of motion.
科学者はニュートンの運動法則を説明した。
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 /niˈɒlədʒi/

neology

新しい言葉の使用またはその起源の研究
Meaning
The use of new words or the study of their origin.
Example
The professor specialized in neology, studying the creation of modern slang.
教授はネオロジーを専門とし、現代のスラングの創造を研究しました。
C2 verb /ˌnɒnˈplʌst/

nonplussed

困惑
Meaning
Past tense of nonplus; surprised and unsure how to react.
Example
He stood nonplussed at the strange remark.
彼は奇妙なコメントに困惑して立ち尽くしていた。
B2 noun /ˈnæreɪtər/

narrator

語り手
Meaning
A person who tells the story in a book, play, or film.
Example
The narrator guided the audience through the complex plot.
語り手は複雑なプロットを通じて観客を導きました。
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 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。
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。
C1 adjective /ˈnæv.ɪ.ɡə.bəl/

Navigable

航行可能
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.
その川は雨季に小さなボートが通行可能です。
C1 adjective /ˈneɪm.ləs/

Nameless

名も無き; 匿名の; 不明の; 未確認の
Meaning
having no name; anonymous; unknown; unidentified
Example
The nameless fear haunted him throughout the night.
名も無き恐怖が彼を一晩中追い詰めた。
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。
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。
B2 noun /nʌn/

Nun

修道女
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.
その修道女は地元のカトリック学校で教えていました。
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.
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 /ˈneɪˌseɪ.ɪŋ/

naysaying

否定的な発言
Meaning
The act of expressing negative or pessimistic views.
Example
His constant naysaying discouraged the team.
彼の絶え間ない否定的な発言はチームをがっかりさせました。
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。
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。
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。
C1 noun /ˈnek.səs/

Nexus

接続; 結びつき;
Meaning
a connection or series of connections linking two or more things
Example
There's a clear nexus between education and economic development.
教育と経済発展の間には明確なネクサスがあります。
C2 noun /ˈnoʊzˌɡeɪ/

nosegay

花束
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.
彼女は式典に新鮮なバラの花束を持って行った。
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 /ˌnɒn ˈsɛkwɪtər/

non sequitur

論理的に関連しない発言
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.
予算の議論中、彼の天気に関するコメントは完全に論理的に関連しない発言だった。
A1 noun /naɪt/

night

夜
Meaning
the time of darkness between one day and the next, when most people sleep
Example
She loves going for walks at night.
彼女は夜に散歩するのが好きです。
C2 adjective /ˈnjuːbaɪl/

nubile

未婚女性
Meaning
of a young woman, sexually mature and suitable for marriage
Example
The village was celebrating the festival with its nubile maidens dancing.
村はその未婚女性たちが踊る祭りを祝っていました。
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。
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。
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 noun /ˈneɪdɪər/

nadir

Meaning
The lowest point of a situation or condition.
Example
The company reached its nadir during the financial crisis.
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。
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 preposition/adverb/conjunction /ˌnɒtwɪθˈstændɪŋ/

notwithstanding

それにもかかわらず
Meaning
In spite of; despite
Example
Notwithstanding the challenges, the team completed the project.
挑戦にもかかわらず、チームはプロジェクトを完了させました。
C2 adjective /ˈnjuː.ɡə.tɔːr.i/

nugatory

無価値
Meaning
Of little or no value; worthless or insignificant.
Example
His efforts were nugatory and did not change the outcome.
彼の努力は無価値で、結果を変えることはなかった。
A1 noun /nɔːrθ/

north

北
Meaning
the direction toward the top of a map or the opposite of south
Example
We traveled north to reach the mountains.
私たちは山に到達するために北へ向かって旅しました。
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。
C1 adjective ˌnɒnˈvɜːr.bəl

nonverbal

非言語
Meaning
Communication using body language, facial expressions, or gestures instead of words
Example
Nonverbal cues play a crucial role in effective communication.
非言語の合図は効果的なコミュニケーションにおいて重要な役割を果たします。
B1 adjective /ˈnær.oʊ/

Narrow

狭い; 限定された; 狭まった
Meaning
having a small width; thin; limited in scope; restricted
Example
The narrow street was barely wide enough for two cars.
その狭い道は2台の車が通るにはほとんど十分な広さがありませんでした。
B1 noun /neɪl/

Nail

釘
Meaning
a small metal spike with a broadened flat head; part of finger or toe
Example
He hammered the nail into the wooden board.
彼は木の板に釘を打ち込んだ。
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 adverb /ˈnɪərli/

Nearly

ほとんど; ほぼ;
Meaning
almost; not quite; very close to
Example
I nearly missed the bus this morning.
今朝、バスをほとんど逃しそうになった。
B2 adverb /ˈnæʃənəli/

nationally

全国的に
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.
その政策は、すべての市民に平等な利益を確保するため、全国的に実施された。
C2 noun /nɪˈkrɒlədʒi/

necrology

訃報
Meaning
An obituary notice or a list of people who have recently died.
Example
The newspaper published a necrology of notable figures who passed away that year.
その新聞は、その年に亡くなった著名な人物のネクロロジーを発表しました。
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。
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。
B1 adverb /ˌnesəˈserəli/

Necessarily

必然的に; 必ずしも;
Meaning
as a necessary result; inevitably; by logical consequence
Example
Rich people are not necessarily happy.
裕福な人々は必ずしも幸せではありません。
A2 adjective ˈnesəseri

necessary

必要
Meaning
Required to be done, achieved, or present; essential.
Example
Strict regulations are necessary for maintaining order.
厳格な規制は秩序を維持するために必要です。
A1 noun /ˈnʌmbər/

number

番号
Meaning
a mathematical value used to count, measure, or label
Example
She gave me her phone number.
彼女は私に自分の電話番号を教えてくれました。
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。
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 noun /ˈnoʊmənˌkleɪtʃər/

nomenclature

命名法
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.
化学的命名法は初心者には理解するのが難しい場合があります。
C2 noun /ˌnjuːməˈreɪʃən/

numeration

数え方
Meaning
the action or process of counting or assigning numbers
Example
The teacher explained the basics of numeration to the students.
先生は学生たちに数え方の基本を説明しました。
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。
C1 adjective /ˈnjuː.tri.ənt dɛns/

nutrient-dense

栄養価が高い
Meaning
Rich in nutrients and high nutritional value.
Example
Organic food is often more nutrient-dense than processed food.
オーガニック食品は、加工食品よりも栄養価が高いことがよくあります。
B2 verb /ˈnɒmɪneɪt/

nominate

ノミネートする
Meaning
to propose someone for a position or award
Example
The committee decided to nominate her for the award.
委員会は彼女を賞にノミネートすることに決めました。
C2 noun /næˈteɪʃən/

natation

水泳
Meaning
The act or sport of swimming.
Example
She took lessons in natation to improve her swimming skills.
彼女は泳ぎの技術を向上させるために水泳のレッスンを受けました。
C1 adjective /nɪˈɡlɛktfʊl/

neglectful

無関心
Meaning
Failing to give proper care or attention.
Example
The neglectful parent left the child alone for hours.
無関心な親は子供を何時間も一人で放置した。
A2 adverb /ˈnaʊədeɪz/

Now-a-days

今どき; 現在
Meaning
at the present time; in these times
Example
Now-a-days, people prefer online shopping.
現在、人々はオンラインショッピングを好む。
B1 noun /ˈniː.dəl/

Needle

針
Meaning
a thin, pointed metal instrument used for sewing
Example
She threaded the needle to sew the button.
彼女はボタンを縫うために針に糸を通しました。
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。
B2 verb /nɪˈɡlekt/

neglect

無視する
Meaning
to fail to care for or give attention to something
Example
Don't neglect your health while studying.
勉強中に健康を無視しないでください。
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.
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。
A1 noun /noʊz/

nose

鼻
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.
彼は鋭い鼻を持っており、遠くから物の匂いを嗅ぐことができる。
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。
B2 noun /ˈnæp.kɪn/

Nap Kin

ナプキン
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.
彼女は夕食を始める前に、膝の上にナプキンを置きました。
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。
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。
A1 adjective /nɛkst/

next

次
Meaning
immediately following in time, order, or place
Example
The next train leaves at 9:00 AM.
次の電車は午前9時に出発します。
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 /ˈnoʊwɛr/

Nowhere

どこにも
Meaning
not anywhere; in no place
Example
I searched everywhere but the keys were nowhere to be found.
私はあらゆる場所を探しましたが、鍵はどこにも見つかりませんでした。
C1 noun ˌnæn.oʊ.tekˈnɒl.ə.dʒi

nanotechnology

ナノテクノロジー
Meaning
The branch of technology that deals with dimensions and tolerances of less than 100 nanometers.
Example
Nanotechnology is advancing medical treatments.
ナノテクノロジーは医療治療の進歩を促進しています。
C1 noun /noʊˈteɪʃən/

notation

記号法
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.
先生は代数方程式で使用される記号法を説明しました。
C2 verb /ˈnɪtˌpɪk/

nitpick

Meaning
To find and criticize small or unimportant faults in someone or something.
Example
She tends to nitpick about every little detail.
B1 adverb /ˈniːtli/

Neatly

きちんと; 清潔に
Meaning
in a tidy and orderly way; carefully and precisely
Example
She arranged the books neatly on the shelf.
彼女は本をきちんと棚に並べました。
C1 noun /ˌnoʊtəˈraɪəti/

notoriety

悪名
Meaning
The state of being famous or well-known for something bad.
Example
The criminal gained notoriety for his daring escapes.
その犯罪者は大胆な脱出で悪名を得た。
A2 pronoun /ˈnoʊˌbɑːdi/

nobody

誰もいない
Meaning
no person; not anyone
Example
Nobody came to the party.
誰もパーティに来なかった。
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。
B1 noun /nɛt/

net

網
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.
漁師は網を海に投げた。
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。
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。
B2 noun /ˈnɒvəlɪst/

novelist

小説家
Meaning
a person who writes novels
Example
The novelist spent years writing his new book.
その小説家は新しい本を書くために何年も費やしました。
C1 noun /ˈneɪ.vəl fɔːrs/

Naval Force

海軍
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.
海軍は敵の攻撃から国の海岸線を守った
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。
B2 adjective /ˈneɪ.kɪd/

Naked

裸; 衣服なし; 暴露された; 無防備
Meaning
without clothes or covering; bare; exposed; unclothed
Example
The naked truth about the situation shocked everyone.
その状況についての裸の真実は、皆を驚かせました。
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。
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。
C2 noun /nuːt/

Newt

イモリ
Meaning
a small amphibian with a long tail that lives both in water and on land
Example
The newt swam gracefully in the pond.
イモリは池で優雅に泳いでいました。
A2 noun /ˈnoʊ.tɪs/

Notice

通知
Meaning
attention to something; a written or printed announcement
Example
The notice on the board announced the school closure.
掲示板の通知が学校の閉鎖を発表しました。
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 /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。
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 /nɑːrˈkɒtɪk/

narcotic

麻薬
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.
警察は大量の麻薬を押収した。
A2 adjective /ˈnɔːti/

naughty

いたずら
Meaning
Disobedient or mischievous, often in a playful or mildly bad way.
Example
The naughty child drew on the walls with crayons.
いたずらな子供がクレヨンで壁に絵を描きました。
C1 verb /ˈnʌlɪfaɪ/

nullify

無効にする
Meaning
to make something legally invalid or ineffective
Example
The court decided to nullify the contract.
裁判所は契約を無効にすることを決定しました。
C1 adjective /ˈneɡ.lɪ.dʒə.bəl/

Negligible

無視できる
Meaning
so small or unimportant as to be not worth considering; insignificant
Example
The side effects of this medicine are negligible.
この薬の副作用は無視できるほどです。
C2 adjective /ˌnjuːmɪzˈmætɪk/

numismatic

貨幣学の
Meaning
relating to the study or collection of coins, currency, and medals
Example
He has a numismatic collection of rare coins from around the world.
彼は世界中からの珍しいコインの収集を持っています。
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 noun /niːˈɒkrəsi/

neocracy

未熟なまたは新しい官僚によって運営される政府
Meaning
A government or leadership run by inexperienced or new officials.
Example
The sudden revolution led to a neocracy with inexperienced leaders.
突然の革命は未経験のリーダーたちによるネオクラシーを生み出した。
C2 noun /ˌnɛɡlɪˈʒeɪ/

negligee

軽いシルクの寝間着
Meaning
A woman's light dressing gown, often made of thin or silky material.
Example
She wore a silk negligee before going to bed.
彼女は寝る前にシルクのネグリジェを着ていました。
C2 adjective /ˌnɒnˈtrɪviəl/

nontrivial

非自明
Meaning
Not simple or easy; requiring effort or significant thought.
Example
Solving the equation turned out to be a nontrivial task.
方程式を解くことは非自明な作業であることが分かりました。
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。
C2 noun /ˈnaɪsəti/

nicety

微細さ
Meaning
a fine or subtle detail, or a refined, delicate aspect of something
Example
The lawyer explained the legal niceties of the case.
弁護士は事件の法的細部を説明しました。
A1 adverb /nɪər/

Near

近い
Meaning
close in space or time; almost
Example
The school is very near to my house.
学校は私の家の近くにあります。
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。