neuroscientific
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
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 /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。
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。
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。
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 /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。
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。
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。
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 /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 adverb /ˈnɔːθwədz/

Northwards

北へ
Meaning
towards the north; in a northerly direction
Example
The birds migrate northwards in spring.
鳥たちは春に北へ移動します。
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。
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 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 noun /ˈnɑːstrəm/

nostrum

効果のない薬
Meaning
a medicine or remedy, especially one that is not considered effective; a questionable solution
Example
The politician’s plan was dismissed as a mere nostrum for a complex problem.
政治家の計画は、複雑な問題に対する単なる効果のない薬として退けられました。
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。
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。
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。
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。
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.
B2 noun /ˌnɔːrθˈiːst/

northeast

北東
Meaning
the direction between north and east; a region or area located in that direction.
Example
The storm is moving toward the northeast.
嵐は北東に向かって進んでいます。
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 /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。
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。
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。
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。
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。
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 /naɪˈiːvteɪ/

naivete

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

nihilist

ニヒリスト
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.
彼はすべての社会的規範を拒否したため、ニヒリストと呼ばれました。
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。
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。
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。
B2 adjective, verb /ˈnoʊtɪd/

noted

著名
Meaning
well known or famous; written down or observed
Example
He is a noted author in the field of history.
彼は歴史分野で著名な作家です。
C1 adjective /ˈniːd.ləs/

Needless

不必要な
Meaning
unnecessary; not required; without purpose
Example
The argument was needless and could have been avoided.
その議論は不必要で、避けることができたはずだ。
C2 verb /ˈnɪɡəl/

niggle

Meaning
to cause slight but persistent annoyance, discomfort, or worry
Example
A small doubt niggled at her mind.
C2 adjective /ˈnjuː.mər.ə.bəl/

Numerable

数えられる; 計算可能な
Meaning
capable of being counted; countable
Example
The stars in the sky are not numerable.
空の星は数えられません。
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 verb /ˈnɛsəl/

nestle

寄り添う
Meaning
to settle or lie comfortably within or against something
Example
The child nestled into her mother's arms.
その子供は母親の腕に寄り添いました。
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。
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。
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。
C1 verb /ˈnɪbəl/

nibble

かじる
Meaning
to take small bites of food
Example
The rabbit nibbled on a carrot.
うさぎはにんじんをかじった。
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。
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。
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。
C2 adjective /ˈnɒmɪk/

nomic

法則に関連する
Meaning
Relating to laws, rules, or systems.
Example
The philosopher discussed the nomic necessity of natural laws.
哲学者は自然法則のノミックな必要性について議論しました。
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 noun /ˈneb.jʊ.lə/

nebula

星雲
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.
オリオン星雲は空で最も明るいものの一つです。
B2 adjective /ˈneɪ.bər.ɪŋ/

Neighbouring

隣接した; 近接した; 隣国の
Meaning
situated next to or very near; adjacent; bordering
Example
We often visit our neighbouring countries for trade.
私たちは貿易のために隣国をよく訪れます。
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 /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 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。
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.
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 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。
C2 adjective /ˌnɒnpəˈreɪl/

nonpareil

比類のない
Meaning
Having no equal; unrivaled or matchless.
Example
Her beauty was considered nonpareil in the region.
彼女の美しさはその地域で比類のないものと考えられていた。
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。
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 /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 /ˈnjʊə.rəʊ.trænsˌmɪt.ərs/

neurotransmitters

神経伝達物質
Meaning
Chemical messengers that transmit signals across nerve synapses, affecting mood, behavior, and cognitive functions.
Example
Serotonin and dopamine are key neurotransmitters affecting mood.
セロトニンとドーパミンは気分に影響を与える主要な神経伝達物質です。
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。
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。
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。
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 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。
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。
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。
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 /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 /ˌnɒməˈneɪʃən/

nomination

ノミネーション
Meaning
The act of formally proposing someone for a role, position, or award.
Example
Her nomination for the award surprised everyone.
彼女の賞へのノミネーションは、皆を驚かせました。
C2 noun /njʊˈrældʒə/

neuralgia

神経痛
Meaning
intense, often intermittent pain along a nerve pathway
Example
The patient suffers from neuralgia in her face.
患者は顔に神経痛を抱えています。
C1 noun /ˈnɔːrməlsi/

normalcy

正常
Meaning
The condition of being normal; a return to usual or expected conditions.
Example
After the flood, the town struggled to regain a sense of normalcy.
洪水の後、町は正常な状態を取り戻すために奮闘しました。
B2 adjective /ˈnoʊtɪsəbl/

noticeable

顕著な
Meaning
Easily seen, observed, or recognized.
Example
There was a noticeable improvement in her performance.
彼女のパフォーマンスには顕著な改善がありました。
B1 adjective /ˈnɔːðərn/

northern

北部の
Meaning
relating to the north or situated in the north
Example
The northern part of the country is known for its cold climate.
その国の北部は寒冷な気候で知られています。
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。
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。
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。
B2 adjective /ˈnjuː.mər.əs/

Numerous

多数の; たくさんの; 豊富な
Meaning
existing in large numbers; many; abundant
Example
There are numerous benefits to exercising regularly.
定期的な運動には数多くの利点があります。
B2 noun /nɪˌɡoʊ.siˈeɪ.ʃən/

Negotiation

合意に達するための議論; 交渉
Meaning
discussion aimed at reaching an agreement; bargaining
Example
The negotiation between the two companies lasted for weeks.
二社間の交渉は数週間続きました。
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 /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。
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 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。
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。
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。
C1 noun /nɔːrm/

Norm

規範; 標準; ルール; 伝統
Meaning
a standard of behavior; what is typical or expected
Example
Working late has become the norm in this company.
遅くまで働くことがこの会社の規範になった。
A1 adverb /nɒt/

not

いいえ
Meaning
used to make a word or phrase negative
Example
I do not like spicy food.
私は辛い食べ物が好きではありません。
C1 noun /ˈnjuːtrɪənt dɪˈfɪʃənsi/

nutrient deficiency

栄養不足
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.
土壌中の栄養不足は作物の生産性を減少させる可能性があります。
C2 adjective /ˈnjuːmɪnəs/

numinous

神秘的
Meaning
having a strong spiritual or mysterious quality
Example
The temple had a numinous atmosphere that inspired awe.
その寺院は畏敬の念を抱かせる神秘的な雰囲気を持っていました。
C2 verb /ˌnɒnˈplʌs/

nonplus

困惑させる
Meaning
To surprise and confuse someone so much that they are unsure how to react.
Example
The unexpected question seemed to nonplus the speaker.
予期しない質問がスピーカーを困惑させたようだ。
B1 noun /ˈneɪvi/

Navy

海軍
Meaning
the branch of armed forces that conducts military operations at sea
Example
He joined the navy after graduating from college.
彼は大学を卒業した後、海軍に入隊した。
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。
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 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。
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。
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。
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。
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 /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。
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。
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。
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 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。
A1 pronoun /ˈnʌθɪŋ/

nothing

何もない
Meaning
not anything; no thing
Example
She has nothing to worry about.
彼女は心配することは何もない。
C2 noun /ˈnɛtl̩/

nettle

触れると痛みを引き起こす植物
Meaning
a plant with stinging hairs that cause irritation when touched
Example
He accidentally brushed against the nettle and felt a sharp sting.
彼は不注意でイラクサに触れて鋭い痛みを感じた。
B2 adjective /ˈnoʊtəbl/

notable

顕著な
Meaning
worthy of attention or notice; remarkable
Example
She made a notable contribution to the project.
彼女はプロジェクトに顕著な貢献をしました。
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。
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 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。
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 /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 /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
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。
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。
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。
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。
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。