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B2 adjective 8 min read

kompleks

Examples Notes & Tips kompleks in 30 Seconds
Explanation kompleks in your Level:
At the A1 level, you don't really need to use the word 'kompleks'. Instead, you use 'vanskelig' (difficult) or 'ikke lett' (not easy). However, it is good to recognize it because it looks like the English word 'complex'. If you see it, just think: 'This means there are many parts and it might be hard'. You should focus on simple sentences like 'Oppgaven er kompleks' (The task is complex). Don't worry about the different endings yet; just try to remember the basic word. It is a 'long' word, so take your time pronouncing it: kom-pleks. It is most often used for school subjects like math or science at this level. If a teacher says something is kompleks, they are telling you to pay close attention because it is not a simple 1+1 calculation.
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At the A2 level, you can start using 'kompleks' in simple descriptions. You should begin to notice that it changes slightly based on the noun. For example, 'en kompleks bok' (a complex book) but 'et komplekst spørsmål' (a complex question). At this level, you might use it to describe why you find a certain Norwegian grammar rule hard—it is 'kompleks'. You are starting to move beyond just saying things are 'bra' or 'dårlig'. Using 'kompleks' shows you are trying to describe the world more accurately. You will hear it in simple news reports or see it in textbooks. It's a great word to use when you want to explain that a problem has more than one part. Just remember: if the noun is 'et', add a 't' to 'kompleks'.
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At the B1 level, you should be using 'kompleks' regularly in your writing and speaking. You should be comfortable with all three forms: kompleks, komplekst, and komplekse. You can use it to describe social situations, work projects, or characters in a movie. Instead of just saying a movie was 'good', you can say 'Hovedkarakteren var kompleks' (The main character was complex). This indicates they had many different personality traits. You should also be able to understand the word when it's used as a noun, like 'et boligkompleks' (a housing complex). At B1, you are expected to handle more abstract topics, and 'kompleks' is a key tool for that. You might also start to see the noun 'kompleksitet' (complexity), which is the state of being complex.
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At the B2 level, 'kompleks' is a core part of your vocabulary. You use it to distinguish between things that are merely 'komplisert' (hard to do) and things that are 'kompleks' (having a multi-layered structure). You are expected to use it in academic or professional essays to describe systems, theories, and global issues. You should also be familiar with common collocations like 'en kompleks problemstilling' (a complex set of problems) or 'komplekse årsaksforhold' (complex causal relationships). At this level, your pronunciation should be fluent, and you should use the word to add nuance to your arguments. You understand that calling something 'kompleks' is a way to acknowledge its depth without necessarily saying it is impossible to solve or understand.
At the C1 level, you use 'kompleks' with total precision. You know exactly when to choose it over synonyms like 'sammensatt', 'intrikat', or 'mangetydig'. You can discuss 'psykologiske komplekser' or 'industrielle komplekser' with ease. Your use of the word is natural and fits into the flow of advanced discourse. You might use it in a phrase like 'et komplekst samspill mellom faktorer' (a complex interplay between factors). You also recognize the word in highly specialized contexts, such as 'komplekse tall' in mathematics or 'komplekse setninger' in linguistics. For a C1 learner, 'kompleks' is not just a word for 'hard'; it is a fundamental concept used to describe the nature of reality and thought in a sophisticated way.
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At the C2 level, you have a native-like grasp of 'kompleks'. You can use it ironically, metaphorically, or in highly technical jargon without hesitation. You are aware of the word's etymology (from Latin 'complexus', meaning 'interwoven') and how that informs its modern usage. You can navigate the most dense academic texts where 'kompleksitet' is a central theme. You use the word to build intricate arguments in debates, perhaps arguing that a certain political view is 'for simplistisk' because it ignores the 'komplekse realiteter' of the situation. You are also comfortable with the word in all its forms and derivatives, using them to create rhythm and emphasis in your speech and writing. To you, 'kompleks' is a versatile tool for expressing the highest levels of human thought.
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Examples Notes & Tips

kompleks in 30 Seconds

  • Kompleks means complex or complicated, describing things with many interconnected parts.
  • It is an adjective that changes form based on gender and number: kompleks, komplekst, komplekse.
  • It can also be a noun (et kompleks) referring to buildings or psychological issues.
  • Commonly used in academic, professional, and technical contexts across Norway.

The Norwegian word kompleks is a powerful adjective that transcends simple difficulty. While a task might be 'vanskelig' (hard), something that is 'kompleks' involves many interconnected parts, layers, or nuances that require careful analysis to understand fully. It is a cognate of the English word 'complex,' making it relatively easy for English speakers to recognize, yet its usage in Norwegian carries specific weight in academic, professional, and social contexts. When you describe a situation as kompleks, you are signaling that there are no easy answers and that multiple factors are at play simultaneously. This word is essential for learners moving into the B2 level because it allows for more sophisticated descriptions of the world around them, moving away from binary 'good/bad' or 'easy/hard' descriptors into the realm of systemic thinking.

Technical Systems
In engineering or IT, a 'kompleks' system is one with many sub-components. For example, a modern car engine or a global software architecture is inherently kompleks because a change in one small part can have cascading effects across the entire structure.

Selve arkitekturen bak dette dataprogrammet er ekstremt kompleks og krever dyp innsikt for å endres.

Human Emotions
Psychology often uses 'kompleks' to describe personalities or emotional states. A 'kompleks person' is someone with many layers, perhaps contradictory traits, and a rich inner life that isn't immediately obvious to others.

Hennes følelser for ham var en kompleks blanding av beundring og frustrasjon.

Social Issues
When discussing politics or sociology, 'kompleks' describes issues like climate change or immigration, where there is no single cause or solution, but rather a web of historical, economic, and social threads.

Å løse fattigdomsproblemet er en kompleks utfordring som krever globalt samarbeid.

The word is versatile because it can be used both as a neutral descriptor and as a way to emphasize the difficulty of a task. In a professional setting, calling a project 'kompleks' justifies why it might take more time or resources. In literature, a 'kompleks' plot is often a compliment, suggesting depth and intrigue. As you practice, try to replace the word 'vanskelig' with 'kompleks' in sentences where you mean that something has many parts, and see how it changes the tone of your Norwegian from basic to advanced.

Using kompleks correctly requires attention to Norwegian adjective agreement. Unlike English, where 'complex' never changes, Norwegian adjectives must match the gender and number of the noun they describe. This is a fundamental part of mastering the word. The base form is 'kompleks', the neuter form is 'komplekst', and the plural/definite form is 'komplekse'. Understanding these shifts is crucial for natural-sounding speech.

Masculine and Feminine Nouns
For masculine (en) and feminine (ei) nouns, use the standard form 'kompleks'. For example: 'En kompleks situasjon' (A complex situation) or 'En kompleks tanke' (A complex thought).

Dette er en svært kompleks sak som politiet må etterforske grundig.

Neuter Nouns
For neuter (et) nouns, you must add a '-t' to the end, resulting in 'komplekst'. This is a common point of error for learners. Examples include: 'Et komplekst problem' (A complex problem) or 'Et komplekst mønster' (A complex pattern).

Regnestykket var så komplekst at selv læreren slet med å løse det.

Plural and Definite Forms
When describing plural nouns or using the definite form, add an '-e', making it 'komplekse'. For example: 'De komplekse spørsmålene' (The complex questions) or 'Mange komplekse utfordringer' (Many complex challenges).

Vi må vurdere alle de komplekse faktorene før vi tar en beslutning.

Beyond simple grammar, consider the placement of the word. Like most adjectives, it usually comes before the noun it modifies, but it can also follow a linking verb like 'å være' (to be) or 'å virke' (to seem). When it follows a verb, it still must agree with the subject. For instance: 'Boka virker kompleks' vs 'Temaet virker komplekst'. Mastering these variations will make your Norwegian sound significantly more fluent and precise.

You will encounter kompleks in a variety of high-level environments in Norway. It is a staple of the 'Dagsrevyen' (the main evening news on NRK), academic lectures at 'Universitetet i Oslo', and in professional meetings at tech hubs like Oslo Science Park. It is not a word you would typically hear a toddler use, but it is ubiquitous in the speech of educated adults and in all forms of serious media.

In the News
Journalists often use 'kompleks' to describe international relations or economic shifts. If there is a trade dispute between Norway and the EU, it will inevitably be described as a 'kompleks situasjon'.

Nyhetsankeret sa at konflikten i Midtøsten er ekstremt kompleks.

In Academic Settings
Professors use the term to describe theories, chemical structures, or historical events. In a biology lecture, you might hear about 'komplekse organismer' (complex organisms).

Foreleseren forklarte hvordan komplekse molekyler samhandler i cellen.

In Business Meetings
Project managers use the word to manage expectations. If a client asks for a feature that is difficult to implement, the manager might say, 'Det er en kompleks forespørsel' to signal that it will cost more or take longer.

Prosjektlederen advarte om at integrasjonen ville bli kompleks.

Finally, you will hear it in psychology and daily conversation when discussing personal hang-ups. If someone is very self-conscious about their height, they might be said to have a 'kompleks' for it. This usage mirrors the English 'inferiority complex' (mindreverdighetskompleks). Being aware of these different domains—technical, physical (buildings), and psychological—will help you interpret the word correctly based on the context in which it appears.

Even though kompleks is a cognate, English speakers often trip up on its grammatical nuances and its specific semantic boundaries in Norwegian. Avoiding these common pitfalls will help you sound more like a native speaker and less like someone translating directly from English in their head.

Mistake 1: Forgetting the Neuter '-t'
English speakers often forget that 'et problem' requires 'komplekst'. Saying 'et kompleks problem' sounds jarringly incorrect to a Norwegian ear. Always check the gender of the noun before you use the adjective.

Feil: Dette er et kompleks tema. Riktig: Dette er et komplekst tema.

Mistake 2: Overusing it for 'Hard'
Don't use 'kompleks' just because something is difficult. If a physical task is hard, like lifting a heavy box, it is 'tungt' or 'vanskelig', not 'komplekst'. 'Kompleks' implies structural intricacy, not just effort.
Mistake 3: Pronouncing the 'x'
While written with a 'ks', some learners try to pronounce it like the English 'x' which can sometimes be softer. In Norwegian, 'ks' is sharp and distinct, like 'k' followed by 's'. Ensure both sounds are crisp.

Husk å uttale både k-en og s-en tydelig i ordet kompleks.

Mistake 4: Confusing the Noun and Adjective
In English, 'complex' can be both. In Norwegian, the noun 'et kompleks' (a complex) follows noun rules (et kompleks, komplekset, kompleks, kompleksene), while the adjective follows adjective rules. Don't mix up their endings.

Another subtle mistake is using 'kompleks' when 'sammensatt' (composed of/composite) might be more natural. 'Sammensatt' is often used for things that are made of different elements but aren't necessarily 'complicated' in a negative sense. For example, 'en sammensatt tekst' is a common term in Norwegian schools for texts that use both images and words. Using 'kompleks' there might imply the text is difficult to read, which isn't always the case.

To truly master Norwegian, you need to know when to use kompleks and when to reach for a synonym that might fit the context better. Norwegian has several words that overlap with 'kompleks', each with its own nuance.

Sammensatt
Literally 'put together'. This is the most common alternative. It describes something made of many parts. It is more neutral than 'kompleks' and is used frequently in academic writing to describe multifaceted issues.

Problemet er sammensatt og krever flere løsninger.

Intrikat
This means 'intricate'. Use this for things with very fine, detailed, and often beautiful complexity, like a piece of jewelry, a clockwork mechanism, or a very detailed plot in a mystery novel.

Mønsteret i teppet var utrolig intrikat.

Komplisert
While 'kompleks' refers to the structure, 'komplisert' often refers to the difficulty of dealing with it. Something can be kompleks (many parts) without being komplisert (hard to use), though they often go together.
Flokete
A more informal word, meaning 'tangled'. Use this for situations that are messy and hard to untangle, like a legal dispute or a family argument. It's more visual and less academic than 'kompleks'.

Choosing the right word depends on the 'flavor' of complexity you want to convey. If you want to sound scientific or formal, 'kompleks' or 'sammensatt' are your best bets. If you want to describe beauty and detail, go with 'intrikat'. If you are frustrated by how hard something is to understand, 'komplisert' is the way to go. By rotating these synonyms, you demonstrate a much higher level of vocabulary control.

How Formal Is It?

Formal

"Det foreligger en kompleks årsakssammenheng bak fenomenet."

Neutral

"Dette er en kompleks sak for kommunen."

Informal

"Det er litt komplekst, jeg forklarer senere."

Child friendly

"Dette puslespillet er litt komplekst fordi det har så mange brikker."

Slang

"Ikke lag et kompleks av det da!"

Fun Fact

The root 'plek' means 'to weave'. So something 'kompleks' is literally 'woven together' with other things.

Pronunciation Guide

UK /kɔmˈplɛks/
US /kəmˈplɛks/
Second syllable (kom-PLEKS).
Rhymes With
refleks indeks anneks konveks perpleks remiks teks fleks
Common Errors
  • Stressing the first syllable (KOM-pleks).
  • Making the 'o' too long like in 'home'.
  • Not pronouncing the 'ks' clearly enough.
  • Forgetting to pronounce the final 't' in 'komplekst'.
  • Confusing the pronunciation with the English word 'complex' which can have different stress patterns.
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Examples by Level

1

Matematikk er kompleks.

Math is complex.

Basic adjective use after 'er'.

2

Dette er en kompleks oppgave.

This is a complex task.

Adjective modifying a masculine noun 'oppgave'.

3

Byen er kompleks.

The city is complex.

Describing a masculine noun 'by'.

4

Spillet er komplekst.

The game is complex.

Neuter form 'komplekst' for 'et spill'.

5

De er komplekse.

They are complex.

Plural form 'komplekse'.

6

Er det komplekst?

Is it complex?

Question form with neuter 'det'.

7

Det er ikke kompleks.

It is not complex.

Negative sentence.

8

En kompleks maskin.

A complex machine.

Adjective-noun phrase.

1

Jeg forstår ikke dette komplekse systemet.

I don't understand this complex system.

Definite form 'komplekse' after 'dette'.

2

Vi bor i et stort kompleks.

We live in a large complex.

Noun use: 'et kompleks'.

3

Det var et komplekst spørsmål.

It was a complex question.

Neuter agreement with 'et spørsmål'.

4

Hun har en kompleks personlighet.

She has a complex personality.

Feminine noun 'personlighet'.

5

Boka har mange komplekse ord.

The book has many complex words.

Plural agreement 'komplekse'.

6

Dette problemet virker komplekst.

This problem seems complex.

Adjective following the verb 'virker'.

7

De komplekse reglene er vanskelige.

The complex rules are difficult.

Definite plural form.

8

Han forklarte en kompleks teori.

He explained a complex theory.

Masculine noun 'teori'.

1

Situasjonen i landet er svært kompleks nå.

The situation in the country is very complex now.

Adverb 'svært' modifying the adjective.

2

Det er viktig å se det komplekse i saken.

It is important to see the complexity in the case.

The adjective used as a noun 'det komplekse'.

3

Vi må løse disse komplekse utfordringene sammen.

We must solve these complex challenges together.

Demonstrative 'disse' with plural 'komplekse'.

4

Forholdet deres er ganske komplekst.

Their relationship is quite complex.

Neuter 'komplekst' for 'et forhold'.

5

Denne maskinen har en kompleks struktur.

This machine has a complex structure.

Masculine noun 'struktur'.

6

Forfatteren skriver om komplekse temaer.

The author writes about complex themes.

Preposition 'om' followed by plural.

7

Jeg liker komplekse filmer med dype budskap.

I like complex movies with deep messages.

Plural 'filmer'.

8

Hjernen er det mest komplekse organet vi har.

The brain is the most complex organ we have.

Superlative construction with 'mest komplekse'.

1

Det er en kompleks sammenheng mellom kosthold og helse.

There is a complex connection between diet and health.

Abstract noun 'sammenheng'.

2

Vi står overfor en kompleks beslutningsprosess.

We are facing a complex decision-making process.

Compound noun 'beslutningsprosess'.

3

Saken har blitt mer kompleks etter de nye bevisene.

The case has become more complex after the new evidence.

Comparative 'mer kompleks'.

4

Det kreves komplekse analyser for å forstå markedet.

Complex analyses are required to understand the market.

Passive construction 'det kreves'.

5

Språkutvikling er en kompleks prosess hos barn.

Language development is a complex process in children.

Masculine noun 'prosess'.

6

Hun føler seg fanget i et komplekst nett av løgner.

She feels trapped in a complex web of lies.

Metaphorical use.

7

De komplekse sosioøkonomiske faktorene spiller inn.

The complex socio-economic factors come into play.

Advanced compound adjective.

8

Prosjektet er for komplekst til å fullføres på en uke.

The project is too complex to be completed in a week.

Adverb 'for' indicating excess.

1

Avhandlingen drøfter komplekse filosofiske problemstillinger.

The thesis discusses complex philosophical issues.

Academic verb 'drøfter'.

2

Det er et komplekst samspill mellom arv og miljø.

There is a complex interplay between nature and nurture.

Formal term 'samspill'.

3

Lovverket på dette området er ekstremt komplekst.

The legislation in this area is extremely complex.

Noun 'lovverket' (neuter).

4

Han har utviklet et mindreverdighetskompleks.

He has developed an inferiority complex.

Compound noun with 'kompleks'.

5

Det komplekse ved saken er hvem som har ansvaret.

The complex thing about the case is who has the responsibility.

Substantivized adjective.

6

Vi må dekonstruere de komplekse maktstrukturene.

We must deconstruct the complex power structures.

Plural definite 'komplekse'.

7

Denne algoritmen håndterer komplekse datasett.

This algorithm handles complex datasets.

Technical context.

8

Sosiologien studerer komplekse menneskelige relasjoner.

Sociology studies complex human relations.

Academic field context.

1

Eksistensens komplekse natur unndrar seg enkel forklaring.

The complex nature of existence eludes simple explanation.

Formal possessive 'eksistensens'.

2

Det komplekse narrative grepet forvirret mange lesere.

The complex narrative device confused many readers.

Literary term 'narrative'.

3

Man må anerkjenne de komplekse nyansene i debatten.

One must recognize the complex nuances in the debate.

Formal pronoun 'man'.

4

Det er en iboende kompleksitet i alle økosystemer.

There is an inherent complexity in all ecosystems.

Noun form 'kompleksitet'.

5

Regjeringens strategi er et komplekst lappeteppe av tiltak.

The government's strategy is a complex patchwork of measures.

Metaphorical 'lappeteppe'.

6

Dette verket utfordrer våre komplekse forestillinger om tid.

This work challenges our complex notions of time.

Abstract noun 'forestillinger'.

7

Kvantefysikk opererer med komplekse matematiske modeller.

Quantum physics operates with complex mathematical models.

Scientific context.

8

Sannheten er sjelden ren og aldri kompleks... eller var det omvendt?

The truth is rarely pure and never complex... or was it the other way around?

Playing with Oscar Wilde's quote.

Common Collocations

en kompleks situasjon
et komplekst problem
komplekse systemer
en kompleks karakter
komplekse årsaker
et industrielt kompleks
mindreverdighetskompleks
komplekse tall
en kompleks prosess
komplekse følelser

Common Phrases

Det er komplekst

— It's complicated/complex.

Jeg kan ikke forklare det nå; det er komplekst.

Gjøre det komplekst

— To make something complex.

Ikke gjør det mer komplekst enn det trenger å være.

Se det komplekse i det

— To see the complexity in it.

Du må prøve å se det komplekse i situasjonen.

Et stort kompleks

— A large complex (of buildings).

Sykehuset er et stort kompleks.

Uten komplekser

— Without hang-ups/complexes.

Han lever livet sitt helt uten komplekser.

I all sin kompleksitet

— In all its complexity.

Vi må forstå problemet i all sin kompleksitet.

En kompleks blanding

— A complex mix.

Suppen hadde en kompleks blanding av smaker.

Komplekse sammenhenger

— Complex connections.

Forskere ser på komplekse sammenhenger.

Et militært kompleks

— A military complex.

Det ble observert aktivitet ved det militære komplekset.

Veldig komplekst

— Very complex.

Dette temaet er veldig komplekst for nybegynnere.

Idioms & Expressions

"Å ha et kompleks for noe"

— To have a psychological complex or be self-conscious about something.

Han har et kompleks for høyden sin.

Neutral
"Det militær-industrielle kompleks"

— The military-industrial complex.

Begrepet ble brukt for å beskrive forholdet mellom forsvar og industri.

Formal/Political
"Et spindelvev av kompleksitet"

— A web of complexity (metaphorical).

Han var fanget i et spindelvev av kompleksitet.

Literary
"Å skjære igjennom kompleksiteten"

— To cut through the complexity.

Vi må skjære igjennom kompleksiteten og finne kjernen.

Business
"Komplekset med..."

— The issue/complex regarding...

Komplekset med regler gjør det vanskelig.

Formal
"Et sammensatt kompleks"

— A multifaceted complex.

Det er et sammensatt kompleks av følelser.

Academic
"Mindreverdighetskompleks"

— Inferiority complex.

Hun slet med et mindreverdighetskompleks i oppveksten.

Neutral/Psychology
"Overlegenhetskompleks"

— Superiority complex.

Han har et tydelig overlegenhetskompleks.

Neutral/Psychology
"Et arkitektonisk kompleks"

— An architectural complex.

Operaen er en del av et større arkitektonisk kompleks.

Formal
"Navlebeskuende kompleks"

— Self-centered complex (informal).

Hele debatten bar preg av et navlebeskuende kompleks.

Informal/Criticism

Word Family

Nouns

Verbs

Adjectives

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Memorize It

Mnemonic

Think of a 'Complex' of buildings—many parts woven together. Kom-pleks = Come-place (many places coming together).

Visual Association

Imagine a giant ball of multi-colored yarn that is all tangled together. That is 'kompleks'.

Word Web

System Intrikat Vanskelig Mange deler Struktur Hjerne Matte Bygning

Challenge

Try to describe your favorite movie using the word 'kompleks' in three different sentences.

Word Origin

From Latin 'complexus', which is the past participle of 'complecti' (to entwine, embrace, or comprise).

Original meaning: Encircling, embracing, or comprising many things together.

Indo-European (via Latin and French).

Cultural Context

Be careful when calling a person 'kompleks'—it's usually a compliment about their depth, but calling someone's issues a 'kompleks' can be seen as armchair psychology.

English speakers use 'complex' similarly, but Norwegian uses 'sammensatt' more often in everyday speech than English uses 'composite'.

The 'Oedipus complex' (Oidipus-kompleks) in psychology. The 'Industrial Complex' used in political science. Modern architecture in Oslo like 'Barcode' which is a complex of buildings.
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Related Content

This Word in Other Languages

kompleks Danish
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