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C2 noun /niːp/

neap

小潮
Meaning
A tide just after the first or third quarters of the moon when the difference between high and low tide is least.
Example
During a neap tide, the water level change is minimal.
ニープタイドの間、水位の変化は最小限です。
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。
A2 conjunction /ˈniːðər/

neither

どちらも〜ない
Meaning
used to connect two negative alternatives
Example
Neither the manager nor the assistant could attend the meeting.
マネージャーもアシスタントも会議に出席できなかった。
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
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。
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。
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。
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。
C1 noun /ˌnjʊə.roʊ.plæˈstɪs.ɪ.ti/

neuroplasticity

神経可塑性
Meaning
The brain's ability to reorganize itself by forming new neural connections throughout life.
Example
Neuroplasticity allows the brain to rewire itself after an injury.
ニューロプラスティシティは、脳が怪我の後で再配線できるようにします。
A2 adjective /ˈnɪəˌbaɪ/

nearby

近く
Meaning
close to a particular place or person
Example
The nearest gas station is nearby.
最寄りのガソリンスタンドは近くにあります。
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。
A2 noun /ˈnjuːzˌpeɪpər/

newspaper

新聞
Meaning
a printed publication (usually daily or weekly) containing news, articles, advertisements, and correspondence
Example
I read the newspaper every morning.
私は毎朝新聞を読みます。
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。
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。
B2 adjective /nuːd/

nude

ヌード
Meaning
Wearing no clothes; naked.
Example
The artist painted a nude model.
アーティストはヌードモデルを描きました。
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。
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。
B2 noun ˌnæv.ɪˈɡeɪ.ʃən

navigation

ナビゲーション
Meaning
The process or activity of accurately ascertaining one's position and planning and following a route.
Example
GPS technology has improved the navigation of self-driving cars.
GPS技術は自動運転車のナビゲーションを改善しました。
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 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。
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 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 verb /nʌdʒ/

nudge

肘で軽く押す
Meaning
To push someone gently, usually with your elbow, in order to attract attention.
Example
She nudged him to be quiet during the meeting.
会議中、彼女は彼を静かにさせるために軽く肘で押した。
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。
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。
C2 adjective ˌnjʊə.rəʊ.prəˈtek.tɪv

neuroprotective

神経保護
Meaning
Having the ability to protect nerve cells from damage, degeneration, or impaired function.
Example
Omega-3 fatty acids have neuroprotective benefits.
オメガ-3脂肪酸は神経保護効果があります。
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 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 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。
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。
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。
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。
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 /nɪˈɡoʊ.ʃi.ə.bəl/

negotiable

交渉可能
Meaning
Open to discussion or modification; capable of being bargained for.
Example
The salary offered is negotiable.
提供された給与は交渉可能です。
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。
C2 noun /ˌniːoʊˈdɑːrwɪnɪzəm/

neo-darwinism

ネオダーウィニズム
Meaning
A modern interpretation of Darwin's theory of evolution, integrating genetics and natural selection.
Example
Neo-Darwinism combines Darwin’s theory of natural selection with modern genetics.
ネオダーウィニズムはダーウィンの自然選択説と現代遺伝学を組み合わせています。
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 /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 /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。
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.
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.
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。
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.
A1 adjective /naɪs/

Nice

素晴らしい; 良い; 魅力的な
Meaning
pleasant; agreeable; satisfactory; good; attractive
Example
She wore a nice dress to the party.
彼女はパーティーに素敵なドレスを着て行きました。
B2 noun ˈneɪʧər ɪnˈθjuːziæsts

Nature Enthusiasts

自然愛好家
Meaning
People who have a passionate interest in and love for the natural world and outdoor activities.
Example
Nature enthusiasts often visit Sajek Valley for its scenic beauty.
自然愛好家は、その美しい景色のためにサジェックバレーを訪れることがよくあります。
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。
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。
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。
C2 noun ˈnjʊə.rəʊ ˌfiːd.bæk

neurofeedback

脳の活動をリアルタイムで表示し、脳機能の自己調整を教える技術
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.
ニューロフィードバックは認知機能とリラクゼーションを高めます。
C2 noun /nɑnˈen.tə.ti/

Nonentity

重要でない人物; 存在しないもの
Meaning
a person of no importance or influence; something that does not exist
Example
He felt like a nonentity in the large corporation.
彼は大企業でノンエンティティのように感じていました。
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。
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 adjective /ˈnɔːʃəs/

nauseous

吐き気を感じる
Meaning
feeling like you are about to vomit; causing a feeling of sickness
Example
The smell of rotten food made her feel nauseous.
腐った食べ物の匂いが彼女に吐き気を感じさせた。
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。
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。
C1 adjective /ˈnɪmbəl/

nimble

素早い
Meaning
Quick and light in movement or thought.
Example
The dancer’s nimble steps impressed the audience.
ダンサーの素早いステップが観客を感動させた。
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。
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。
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。
B1 adverb /ˈnjuːli/

newly

最近
Meaning
in a new or recent manner
Example
She has newly renovated her house.
彼女は最近家をリフォームしました。
B2 noun, adjective, adverb /ˌnɔːrθˈwest/

northwest

北西
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.
シアトルはアメリカ合衆国の北西部にあります。
A2 pronoun /nʌn/

none

誰もいない
Meaning
not any; no one; not one
Example
None of the students passed the exam.
誰もその試験に合格しませんでした。
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。
A2 adverb /ˈnaʊədeɪz/

nowadays

最近
Meaning
At the present time; in contrast with the past.
Example
Nowadays, many people prefer shopping online.
最近、多くの人々がオンラインショッピングを好むようになった。
C1 adjective /nɑːkˈtɜr.nəl/

Nocturnal

夜行性
Meaning
active at night; happening during the night
Example
Owls are nocturnal animals that hunt at night.
フクロウは夜行性の動物で、夜に狩りをします。
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。
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 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。
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 /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。
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。
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。
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。
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。
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 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。
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。
B2 noun /ˈnɪk.neɪm/

Nickname

ニックネーム
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.
彼のニックネームは 'タイガー' です。なぜなら彼はとても勇敢だからです。
C1 noun /ˈnɜr.tʃər/

Nurture

養育
Meaning
the process of caring for and encouraging growth or development
Example
Good parenting involves both nature and nurture.
良い育て方は自然と養育の両方を含みます。
C1 adjective /ˌnjʊə.rəˈlɒdʒ.ɪ.kəl/

neurological

神経学的
Meaning
Relating to the anatomy, functions, and organic disorders of nerves and the nervous system.
Example
Meditation has positive neurological effects on mental health.
瞑想は精神的健康に対して積極的な神経学的影響を与えます。
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。
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.
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。
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。
B2 adverb /ˌnʌnðəˈlɛs/

nonetheless

それにもかかわらず
Meaning
in spite of that; nevertheless
Example
It was raining, but nonetheless, they went hiking.
雨が降っていましたが、それにもかかわらず、彼らはハイキングに行きました。
C1 noun /njʊəˈrəʊ.sɪs/

neurosis

神経症
Meaning
A relatively mild mental illness that is not caused by organic disease, involving symptoms of stress.
Example
His neurosis made social interactions difficult.
彼の神経症は社会的な相互作用を困難にした。
C1 noun /ˌnɑm.əˈni/

Nominee

ノミネートされた人
Meaning
a person who is nominated for an office, award, or honor
Example
She was the nominee for the Best Actress award.
彼女は最優秀女優賞のノミネートされた人でした。
A2 noun /ˈnek.ləs/

Necklace

ネックレス
Meaning
a piece of jewelry that is worn around the neck
Example
She wore a beautiful diamond necklace to the party.
彼女はパーティーで美しいダイヤモンドのネックレスをしていました。
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。
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 /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。
C2 adjective /ˈnɛtlˌsʌm/

nettlesome

苛立たしい
Meaning
Causing irritation, annoyance, or difficulty.
Example
The nettlesome rules frustrated the workers.
苛立たしい規則は労働者たちを苛立たせました。
B2 adjective /ˌnɒnˈprɒfɪt/

nonprofit

非営利団体
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.
彼女は子供たちを助ける非営利団体で働いています。
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 ˌnjʊə.rəʊ.saɪənˈtɪ.fɪk

neuroscientific

神経科学的
Meaning
Related to the scientific study of the brain and nervous system.
Example
Neuroscientific research helps understand memory retention.
ニューロサイエンティフィックな研究は、記憶の保持を理解するのに役立ちます。
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 noun /ˈnoʊ.ʃən/

Notion

概念
Meaning
a conception or belief about something; an idea or opinion
Example
She had a strange notion that someone was following her.
彼女は誰かが彼女を追っているという奇妙な概念を持っていた。
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。
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。
B1 noun /ˌnæʃəˈnæləti/

nationality

国籍
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.
彼女の国籍はカナダのもので、フランスで生まれました。
B2 adjective /naɪˈiːv/

naive

無邪気
Meaning
Having a lack of experience or sophistication; overly innocent or trusting.
Example
She was naive to believe the scammer’s story.
彼女は詐欺師の話を信じるには無邪気すぎた。
C1 adverb /ˈnæroʊli/

Narrowly

かろうじて; 辛うじて
Meaning
by a small margin; barely; in a limited way
Example
She narrowly escaped the accident.
彼女は事故をかろうじて避けた。
B2 noun ˈnɒv.əl.ti

novelty

新規性
Meaning
The quality of being new, original, or unusual; a new or unfamiliar thing or experience.
Example
The novelty of the invention attracted investors.
発明の新規性が投資家を引き付けました。
C2 adjective /nɪˈfɛəriəs/

nefarious

邪悪な、犯罪者、または道徳的に悪い
Meaning
Wicked, criminal, or morally bad.
Example
The police uncovered a nefarious plot to cheat investors.
警察は投資家を欺こうとする邪悪な陰謀を暴露しました。
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 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。
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。
A2 noun /ˈnefjuː/

nephew

甥
Meaning
the son of one’s brother or sister
Example
My nephew is studying at the university.
私の甥は大学で勉強しています。
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.
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。
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。
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。
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 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 ˈnuːkliəs

nucleus

原子核
Meaning
The central core of an atom containing protons and neutrons.
Example
The nucleus consists of protons.
原子核は陽子で構成されています。
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。
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。
A1 noun /nuːz/

news

ニュース
Meaning
newly received or noteworthy information, especially about recent events
Example
The news about the storm spread quickly.
嵐に関するニュースはすぐに広まりました。
A2 adjective ˈnɛɡ.ə.tɪv

negative

ネガティブ
Meaning
Not desirable or optimistic; harmful or unpleasant.
Example
She had a negative attitude about the upcoming project.
彼女は今後のプロジェクトに対してネガティブな態度を持っていた。
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。
C1 noun /naɪˈiːvɪti/

naivety

無邪気
Meaning
The quality of being innocent, simple, and lacking experience or sophistication.
Example
Her naivety made her trust people too easily.
彼女の無邪気は、彼女が人々をあまりにも簡単に信頼させました。