nadir
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C2 noun /ˈneɪdɪər/

nadir

le nadir
Meaning
The lowest point of a situation or condition.
Example
The company reached its nadir during the financial crisis.
L'entreprise a atteint son nadir pendant la crise financière.
C2 noun /nuːt/

Newt

triton
Meaning
a small amphibian with a long tail that lives both in water and on land
Example
The newt swam gracefully in the pond.
Le triton nageait gracieusement dans l'étang.
C2 noun /njʊˈrældʒə/

neuralgia

douleur nerveuse
Meaning
intense, often intermittent pain along a nerve pathway
Example
The patient suffers from neuralgia in her face.
Le patient souffre de névralgie dans son visage.
C2 adjective /nɪˈfɛəriəs/

nefarious

néfaste, criminel ou moralement mauvais
Meaning
Wicked, criminal, or morally bad.
Example
The police uncovered a nefarious plot to cheat investors.
La police a découvert un complot néfaste pour tromper les investisseurs.
C2 noun /naɪˈdʒel.ə/

Nigella

cumin noir
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.
Saupoudrez des graines de cumin noir sur le pain avant de le cuire.
C2 noun /ˌɛn.biː.esˈpiː/

nbsp

espace insécable
Meaning
a non-breaking space character in HTML used to prevent an automatic line break at its position
Example
Use   in HTML to add a space that won't break into a new line.
Utilisez   dans HTML pour ajouter un espace qui ne se casse pas en une nouvelle ligne.
C2 noun /nɛˈkroʊsɪs/

necrosis

nécrose
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.
Le médecin a expliqué que la blessure du patient montrait des signes de nécrose.
C2 noun /ˌniːoʊˈlætɪn/

neo-latin

néo-latin
Meaning
The use of Latin language for scholarly, scientific, and literary purposes after the medieval period.
Example
Many scientific names are derived from Neo-Latin.
De nombreux noms scientifiques sont dérivés du néo-latin.
C2 adjective /ˈnʌpʃəl/

nuptial

nuptial
Meaning
Relating to marriage or weddings.
Example
The couple prepared for their nuptial ceremony with great joy.
Le couple s'est préparé pour leur cérémonie nuptiale avec grande joie.
C2 noun /nɪb/

nib

pointe de stylo
Meaning
the pointed end of a pen used for writing or drawing
Example
He dipped the nib into the ink before writing.
Il a plongé la pointe du stylo dans l'encre avant d'écrire.
C2 verb /ˌnɒnˈplʌst/

nonplused

perplexe
Meaning
Past tense of nonplus; surprised and confused.
Example
She was completely nonplused by his sudden decision.
Elle était complètement perplexe par sa décision soudaine.
C2 noun /ˌnjʊə.rəʊˈdʒɛn.ɪ.sɪs/

neurogenesis

formation de nouvelles cellules nerveuses
Meaning
The process of forming new nerve cells in the brain.
Example
Scientists are studying neurogenesis to understand brain health.
Les scientifiques étudient la neurogénèse pour comprendre la santé du cerveau.
C2 noun /ˌnɛɡlɪˈʒeɪ/

negligee

peignoir léger en soie
Meaning
A woman's light dressing gown, often made of thin or silky material.
Example
She wore a silk negligee before going to bed.
Elle portait un peignoir en soie avant de se coucher.
C2 noun /njuːˈmɪzmətɪst/

numismatist

numismate
Meaning
A person who studies or collects coins, paper currency, and medals.
Example
The numismatist displayed his rare coin collection at the exhibition.
Le numismate a exposé sa collection rare de pièces de monnaie à l'exposition
C2 adjective /ˈnɛtlˌsʌm/

nettlesome

irritant
Meaning
Causing irritation, annoyance, or difficulty.
Example
The nettlesome rules frustrated the workers.
Les règles irritantes ont frustré les travailleurs.
C2 noun /nɪt/

nit

œuf de pou
Meaning
The egg or young form of a louse or other parasitic insect.
Example
The teacher noticed nits in the child’s hair.
L'enseignant a remarqué des œufs de pou dans les cheveux de l'enfant.
C2 adjective ˌnjʊə.rəʊ.saɪənˈtɪ.fɪk

neuroscientific

relatif à la neurocience
Meaning
Related to the scientific study of the brain and nervous system.
Example
Neuroscientific research helps understand memory retention.
La recherche neuroscientifique aide à comprendre la rétention de la mémoire.
C2 noun /ˈnɪn.i/

Ninny

imbécile
Meaning
a silly or foolish person; someone who lacks common sense
Example
Don't be such a ninny, use your brain!
Ne sois pas un imbécile, utilise ton cerveau!
C2 noun /nɪˈkrɒlədʒi/

necrology

nécrologie
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.
Le journal a publié une nécrologie des personnalités notables décédées cette année.
C2 adjective /ˈnjuːbaɪl/

nubile

nubile
Meaning
of a young woman, sexually mature and suitable for marriage
Example
The village was celebrating the festival with its nubile maidens dancing.
Le village célébrait le festival avec ses jeunes filles nubiles dansant.
C2 noun /ˈnaɪɪˌlɪzəm/

nihilism

nihilisme
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.
Le philosophe a été critiqué pour avoir promu le nihilisme.
C2 verb /ˈnɪtˌpɪk/

nitpick

chercher des défauts
Meaning
To find and criticize small or unimportant faults in someone or something.
Example
She tends to nitpick about every little detail.
Elle a tendance à critiquer chaque petit détail.
C2 noun /ˈnaɪsəti/

nicety

subtilité
Meaning
a fine or subtle detail, or a refined, delicate aspect of something
Example
The lawyer explained the legal niceties of the case.
L'avocat a expliqué les subtilités juridiques de l'affaire.
C2 adjective /ˌnɒnpəˈreɪl/

nonpareil

inégalé
Meaning
Having no equal; unrivaled or matchless.
Example
Her beauty was considered nonpareil in the region.
Sa beauté était considérée comme inégalée dans la région.
C2 noun /ˌnjuːməˈreɪʃən/

numeration

numération
Meaning
the action or process of counting or assigning numbers
Example
The teacher explained the basics of numeration to the students.
L'enseignant a expliqué les bases de la numération aux étudiants.
C2 noun /ˈnɛkrəˌmænsi/

necromancy

nécromancie
Meaning
the practice of communicating with the dead, often to predict the future
Example
Ancient texts described rituals of necromancy performed by priests.
Les anciens textes décrivent les rituels de nécromancie pratiqués par les prêtres.
C2 adjective /ˈneɪtl/

natal

relatif à la naissance
Meaning
Relating to birth or the place of birth.
Example
She returned to her natal village after many years.
Elle est retournée dans son village natal après de nombreuses années.
C2 adjective ˌnjʊə.rəʊ.prəˈtek.tɪv

neuroprotective

neuroprotecteur
Meaning
Having the ability to protect nerve cells from damage, degeneration, or impaired function.
Example
Omega-3 fatty acids have neuroprotective benefits.
Les acides gras oméga-3 ont des bienfaits neuroprotecteurs.
C2 adjective /njuːˈtoʊniən/

newtonian

relatif aux lois de Newton
Meaning
relating to the laws of motion and gravitation formulated by Sir Isaac Newton
Example
The scientist explained the Newtonian laws of motion.
Le scientifique a expliqué les lois du mouvement newtoniennes.
C2 adjective /ˌnjuːmɪzˈmætɪk/

numismatic

numismatique
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.
Il possède une collection numismatique de pièces rares provenant du monde entier.
C2 noun /ˌnɒn ˈsɛkwɪtər/

non sequitur

commentaire hors sujet
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.
Son commentaire sur la météo était un véritable commentaire hors sujet pendant la discussion sur le budget.
C2 noun ˈnjʊə.rəʊ ˌfiːd.bæk

neurofeedback

une technique qui utilise les activités cérébrales en temps réel pour enseigner l'autorégulation de la fonction cérébrale
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.
Le neurofeedback améliore la performance cognitive et la relaxation.
C2 noun /ˌniːoʊˈpeɪɡənɪzəm/

neopaganism

néopaganisme
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.
Le néopaganisme a gagné en popularité à mesure que les gens recherchent des alternatives spirituelles aux religions dominantes.
C2 adjective /ˈnɒmɪk/

nomic

relatif à la loi
Meaning
Relating to laws, rules, or systems.
Example
The philosopher discussed the nomic necessity of natural laws.
Le philosophe a discuté de la nécessité nomique des lois naturelles.
C2 adjective /ˈnjuː.ɡə.tɔːr.i/

nugatory

futile
Meaning
Of little or no value; worthless or insignificant.
Example
His efforts were nugatory and did not change the outcome.
Ses efforts étaient futiles et n'ont pas changé le résultat.
C2 noun /ˈnɑːstrəm/

nostrum

remède inefficace
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.
Le plan du politicien a été rejeté comme un simple remède pour un problème complexe.
C2 noun /ˌniːoʊˈdɑːrwɪnɪzəm/

neo-darwinism

néo-darwinisme
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.
Le néo-darwinisme combine la théorie de la sélection naturelle de Darwin avec la génétique moderne.
C2 noun /ˈnʌnəri/

nunnery

couvent
Meaning
A convent or building where nuns live and work.
Example
She decided to join the nunnery to devote her life to spiritual practice.
Elle a décidé de rejoindre le couvent pour consacrer sa vie à la pratique spirituelle.
C2 noun /niːˈɒlədʒɪzəm/

neologism

néologisme
Meaning
A newly coined word or expression.
Example
The internet has given rise to many neologisms like 'selfie' and 'hashtag'.
Internet a donné naissance à de nombreux néologismes comme 'selfie' et 'hashtag'.
C2 adjective /ˈnjuː.trɪ.tɪv/

nutritive

nutritif
Meaning
Relating to nutrition; having nourishing qualities.
Example
The nutritive value of the fruit is very high.
La valeur nutritive du fruit est très élevée.
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 /ˈnoʊzˌɡeɪ/

nosegay

bouquet de fleurs
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.
Elle a porté un bouquet de roses fraîches à la cérémonie.
C2 noun /ˈnæfθə/

naphtha

naphta
Meaning
A flammable oil containing hydrocarbons, obtained from petroleum or coal tar, used as fuel or solvent.
Example
The factory stored barrels of naphtha for industrial use.
L'usine stockait des barils de naphta pour un usage industriel.
C2 verb /ˈnɔːzieɪt/

nauseate

provoquer des nausées
Meaning
To make someone feel sick, with an inclination to vomit.
Example
The spoiled food nauseated him quickly.
La nourriture avariée l'a rendu nauséeux rapidement.
C2 noun /naɪt ˈdʒæz.mɪn/

Night-jesmine

jasmin de nuit
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.
Le jasmin de nuit fleurit seulement après le coucher du soleil avec ses petites fleurs blanches.
C2 verb /ˌnɒnˈplʌs/

nonplus

décontenancer
Meaning
To surprise and confuse someone so much that they are unsure how to react.
Example
The unexpected question seemed to nonplus the speaker.
La question inattendue sembla décontenancer l'orateur.
C2 noun /ˈnɛtl̩/

nettle

plante avec des poils qui provoquent des irritations lorsqu'ils sont touchés
Meaning
a plant with stinging hairs that cause irritation when touched
Example
He accidentally brushed against the nettle and felt a sharp sting.
Il a accidentellement frôlé l'ortie et a ressenti une douleur aiguë.
C2 noun /ˈnaɪəlɪst/

nihilist

nihiliste
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.
Il a été qualifié de nihiliste pour avoir rejeté toutes les normes sociales.
C2 adjective /ˈnɛðər/

nether

inférieur
Meaning
situated down or below; lower
Example
They explored the nether regions of the cave.
Ils ont exploré les régions inférieures de la grotte.
C2 noun /nɑːrˈsɪsəs/

narcissus

fleur de narcisse
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.
Un narcisse a fleuri dans le jardin au printemps.
C2 noun /nɑnˈen.tə.ti/

Nonentity

personne sans importance; quelque chose qui n'existe pas
Meaning
a person of no importance or influence; something that does not exist
Example
He felt like a nonentity in the large corporation.
Il se sentait comme une non-entité dans la grande entreprise.
C2 noun /niːp/

neap

marée basse
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.
Pendant une marée basse, le changement du niveau de l'eau est minimal.
C2 noun /ˈneɪˌseɪ.ɪŋ/

naysaying

expression négative
Meaning
The act of expressing negative or pessimistic views.
Example
His constant naysaying discouraged the team.
Ses continuelles expressions négatives ont découragé l'équipe.
C2 noun /ˈnoʊmənˌkleɪtʃər/

nomenclature

nomenclature
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.
La nomenclature chimique peut être difficile à comprendre pour les débutants.
C2 adjective /ˈnɪɡərdli/

niggardly

avare
Meaning
unwilling to spend or give; stingy or miserly
Example
He was too niggardly to leave a decent tip.
Il était trop avare pour laisser un pourboire décent.
C2 adjective /ˈnjuːmɪnəs/

numinous

numineux
Meaning
having a strong spiritual or mysterious quality
Example
The temple had a numinous atmosphere that inspired awe.
Le temple avait une atmosphère numineuse qui inspirait l'émerveillement.
C2 noun /neɪv/

nave

nef centrale de l'église
Meaning
the central part of a church building intended to accommodate the congregation
Example
The choir sang beautifully in the church nave.
Le chœur a chanté magnifiquement dans la nef de l'église.
C2 adjective /ˌnɒnkəˈmɪtl̩/

noncommittal

évasif
Meaning
Not expressing or showing a clear opinion, decision, or commitment.
Example
She gave a noncommittal reply when asked about her future plans.
Elle a donné une réponse évasive lorsqu'on lui a demandé ses projets d'avenir.
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

neurocognitif
Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
Les fonctions neurocognitives déclinent en raison du manque de sommeil.
C2 noun /ˌnɒvəˈlɛt/

novellette

novellette
Meaning
A short novel or long short story.
Example
The author published a novellette as a preview of her upcoming series.
L'auteur a publié une novellette en avant-première de sa prochaine série.
C2 noun /næˈteɪʃən/

natation

natation
Meaning
The act or sport of swimming.
Example
She took lessons in natation to improve her swimming skills.
Elle a pris des cours de natation pour améliorer ses compétences en natation.
C2 adjective /ˈnæti/

natty

chic
Meaning
Neat, stylish, and fashionable in appearance.
Example
He looked very natty in his new suit.
Il avait l'air très chic dans son nouveau costume.
C2 noun /nəˈkrɒpəlɪs/

necropolis

nécropole
Meaning
a large ancient cemetery with elaborate tombs
Example
The archaeologists discovered artifacts in the necropolis of the ancient city.
Les archéologues ont découvert des artefacts dans la nécropole de l'ancienne ville.
C2 adjective /ˈneb.jə.ləs/

Nebulous

vague; flou; nébuleux
Meaning
vague or unclear; lacking definite form; hazy
Example
His plans for the future remain nebulous and unclear.
Ses projets pour l'avenir restent nébuleux et flous.
C2 noun /niˈɒlədʒi/

neology

l'utilisation de nouveaux mots ou l'étude de leur origine
Meaning
The use of new words or the study of their origin.
Example
The professor specialized in neology, studying the creation of modern slang.
Le professeur s'est spécialisé en néologie, étudiant la création du jargon moderne.
C2 verb /ˈnuːkliˌeɪt/

nucleate

nucléaire
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.
Les gouttes ont commencé à se nucléer autour des petites particules dans l'air.
C2 adjective /ˌnɒnˈtrɪviəl/

nontrivial

non trivial
Meaning
Not simple or easy; requiring effort or significant thought.
Example
Solving the equation turned out to be a nontrivial task.
Résoudre l'équation s'est avéré être une tâche non triviale.
C2 noun /ˈnes.lɪŋ/

Nestling

oisillon
Meaning
a young bird that has not yet left its nest
Example
The mother bird fed the hungry nestling with worms.
La mère oiseau a nourri le oisillon affamé avec des vers.
C2 noun, adjective /nɒn ˈkɒmbətənt/

non-combatant

non-combattant
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.
Les travailleurs de la Croix-Rouge ont été traités comme des non-combattants dans le conflit.
C2 noun /ˈnɒn.ɪʤ/

Nonage

minorité
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.
Pendant sa minorité, toutes les décisions juridiques étaient prises par son tuteur.
C2 noun /ˈniːəˌfaɪt/

neophyte

néophyte
Meaning
A beginner or novice in a subject, skill, or belief.
Example
As a neophyte in programming, she often asked for guidance from her mentor.
En tant que néophyte en programmation, elle demandait souvent des conseils à son mentor.
C2 verb /ˌnɒnˈplʌst/

nonplussed

déconcerté
Meaning
Past tense of nonplus; surprised and unsure how to react.
Example
He stood nonplussed at the strange remark.
Il est resté déconcerté par la remarque étrange.
C2 adjective /ˈnɔɪ.səm/

Noisome

nauséabond; nuisible ou désagréable
Meaning
having an extremely offensive smell; harmful or unpleasant
Example
The noisome smell from the garbage made everyone cover their noses.
L'odeur nauséabonde des ordures a forcé tout le monde à se boucher le nez.
C2 noun /naɪt kwiːn/

Night queen

reine de la nuit
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.
Les fleurs de la reine de la nuit ont rempli le jardin de leur douce fragrance.
C2 adjective /ˌnɒndɪˈskrɪpt/

nondescript

banal
Meaning
Lacking distinctive or interesting features; dull and unremarkable.
Example
He lives in a nondescript apartment building on the edge of town.
Il vit dans un immeuble d'appartements banal à la périphérie de la ville.
C2 adjective /ˈnjuː.mər.ə.bəl/

Numerable

comptable; numérable
Meaning
capable of being counted; countable
Example
The stars in the sky are not numerable.
Les étoiles dans le ciel ne sont pas numérables.
C2 noun /niːˈɒkrəsi/

neocracy

Gouvernement dirigé par des fonctionnaires inexpérimentés ou nouveaux
Meaning
A government or leadership run by inexperienced or new officials.
Example
The sudden revolution led to a neocracy with inexperienced leaders.
La révolution soudaine a conduit à une néocratie avec des dirigeants inexpérimentés.
C2 verb /ˈnɪɡəl/

niggle

causer une légère mais persistante gêne
Meaning
to cause slight but persistent annoyance, discomfort, or worry
Example
A small doubt niggled at her mind.
Un petit doute la perturbait dans son esprit.
C2 noun /ˈnjuː.trɪ.mənt/

nutriment

nutriment
Meaning
Something that nourishes; sustenance or food.
Example
The soil provides nutriment to the plants.
Le sol fournit du nutriment aux plantes.
C2 noun /nɪmf/

Nymph

Nymphe
Meaning
a mythological spirit of nature; a beautiful young woman in classical mythology
Example
The water nymph appeared by the moonlit lake.
La nymphe de l'eau est apparue près du lac illuminé par la lune.