At the A1 level, you don't need to use the word 'obligatorisk' yourself, but you should recognize it. It means 'you must do this'. You will see it on signs or websites. For example, if you see 'Obligatorisk felt' on a form, it means you cannot leave that box empty. Think of it as a very formal way of saying 'skal' (must). At this stage, focus on the fact that it describes a rule. If a teacher says something is 'obligatorisk', it means you cannot say no. It is a long word, but the first part 'obli-' is like the English word 'obligation'. Just remember: Obligatorisk = No choice.
At the A2 level, you can start using 'obligatorisk' in simple sentences about school or work. You might say, 'Danskundervisning er obligatorisk' (Danish lessons are mandatory). You should also learn the opposite: 'valgfrit' (optional). This helps you understand schedules. You will notice that 'obligatorisk' often comes after 'det er'. For example, 'Det er obligatorisk at bære hjelm' (It is mandatory to wear a helmet). This is a useful pattern for talking about rules in Denmark. You should also notice how the word changes slightly to 'obligatoriske' when there are many things, like 'obligatoriske kurser'.
At the B1 level, you should be able to use 'obligatorisk' to discuss social and legal requirements. You can explain why something is mandatory using 'fordi' (because). For example, 'Det er obligatorisk at have en forsikring, fordi loven kræver det.' You will encounter this word frequently in news articles and official letters from the municipality (kommune). You should also be able to distinguish between 'obligatorisk' and 'nødvendig'. Use 'obligatorisk' for rules and 'nødvendig' for things you need to survive or succeed. You are now expected to handle the inflection correctly in most cases, especially the plural '-e'.
At the B2 level, you should use 'obligatorisk' with more precision in professional and academic contexts. You can use it to describe modules in your education or tasks at work. You should also be familiar with related nouns like 'en obligation' (though this often refers to a financial bond in Danish) and the verb 'at forpligte sig' (to commit/obligate oneself). You can discuss the nuances between 'obligatorisk' and 'påkrævet'. For instance, you might say, 'Selvom det ikke er obligatorisk at deltage i mødet, er det stærkt påkrævet for at blive opdateret.' This shows you understand that 'obligatorisk' is the formal rule, while 'påkrævet' is the practical necessity.
At the C1 level, you should have a nuanced understanding of 'obligatorisk' and its role in Danish bureaucracy and legal language. You can use it in complex sentence structures and understand its idiomatic use in cultural contexts (e.g., 'den obligatoriske julefrokost'). You should be able to identify when the word is being used ironically to comment on social pressures. Furthermore, you should be comfortable using synonyms like 'bindende', 'foreskrevet', or 'uomgængelig' to avoid repetition and to match the specific register of your writing. You understand the historical and Latin roots of the word and how it fits into the broader family of Danish words related to duty and law.
At the C2 level, your use of 'obligatorisk' is indistinguishable from a native speaker's. You can navigate the most complex legal and academic texts where 'obligatorisk' appears. You understand the subtle differences in tone when using 'obligatorisk' versus 'tvungen' or 'dikteret' in political discourse. You can use the word to write formal policies, academic papers, or legal critiques. You also recognize the word's placement in the 'Danish Model' of labor and society, where certain things are 'obligatoriske' by collective agreement rather than just by state law. Your mastery includes the ability to use the word with perfect grammatical inflection and in the most appropriate social registers.

obligatorisk in 30 Seconds

  • Obligatorisk means mandatory or compulsory, indicating a requirement by law or rule.
  • It is commonly used in education (mandatory subjects) and legal contexts (mandatory insurance).
  • The word inflects to 'obligatoriske' in plural or definite forms, following standard Danish rules.
  • Synonyms include 'påkrævet' and 'tvungen', while the main antonym is 'valgfrit' (optional).

The Danish word obligatorisk is a formal adjective that translates directly to 'mandatory' or 'compulsory' in English. It is derived from the Latin 'obligatorius', and it carries the weight of necessity imposed by a higher authority, law, or institutional rule. Unlike words that imply a moral duty or a simple necessity, obligatorisk specifically points to a requirement that leaves no room for personal choice. If something is described as obligatorisk, you must do it, attend it, or provide it to comply with the established framework.

Legal Context
In the legal sphere, this word is used to define actions required by law, such as having car insurance or paying taxes. It implies that failure to comply results in legal consequences.

I Danmark er det obligatorisk at have en ansvarsforsikring til sin bil.

In educational settings, students often encounter this word when discussing their curriculum. An 'obligatorisk fag' is a core subject that every student must pass to graduate, as opposed to an 'valgfag' (elective). This distinction is crucial for navigating the Danish school system (Folkeskolen) and higher education (universitetet). When a lecture is marked as having obligatorisk fremmøde, it means your presence is recorded and necessary for credit.

Social and Professional Norms
While primarily formal, it can be used semi-ironically in social contexts to describe things that are expected but not legally required, like bringing a gift to a birthday party, though 'forventet' might be more common there.

Alle felter markeret med en stjerne er obligatoriske.

Furthermore, the word is frequently used in public health and safety discussions. During the pandemic, the use of face masks in certain areas was obligatorisk. This usage highlights the collective responsibility inherent in the word—something is mandatory because it serves a broader institutional or societal purpose. It is not just a suggestion; it is a prerequisite for participation in a specific system.

Grammatical Note
The word ends in '-isk', which is a common suffix for Danish adjectives of Latin or Greek origin. It inflects to 'obligatoriske' in the plural or definite form.

De obligatoriske kurser starter i næste uge.

Det er ikke længere obligatorisk at bære mundbind i toget.

In summary, obligatorisk is your go-to word for anything that is 'must-do'. From administrative tasks to academic requirements, it signals a lack of choice and the presence of a rule. Understanding this word is essential for anyone living in Denmark, as it appears in almost every formal document, school schedule, and legal notice you will encounter.

Using obligatorisk correctly requires understanding its placement as an adjective and its inflection. Since it describes the nature of a task or requirement, it usually follows the verb 'at være' (to be) or precedes a noun. When it precedes a noun, it must agree in number and definiteness. For example, 'et obligatorisk kursus' (a mandatory course) vs. 'de obligatoriske kurser' (the mandatory courses).

Impersonal Constructions
The most common way to use it is in the 'Det er obligatorisk at...' construction. This is an impersonal way to state a rule.

Det er obligatorisk at tjekke ind med sit rejsekort.

You will also see it used to describe specific types of modules in a syllabus. If you are a student, you might say, 'Jeg har tre obligatoriske fag dette semester.' Note the '-e' ending because 'fag' is plural here. This usage is very specific to administrative and academic environments. In a professional setting, a manager might say, 'Sikkerhedskurset er obligatorisk for alle nyansatte' (The safety course is mandatory for all new hires).

Attributive Usage
When placed directly before a noun, it modifies the noun's necessity. 'Den obligatoriske læsning' refers to the specific reading you must do.

Har du læst den obligatoriske tekst til i morgen?

In legal documents, the phrasing is often even more rigid. You might see phrases like 'obligatorisk selvvalg' (a paradoxical term sometimes used in policy) or 'obligatorisk pensionsordning'. In these cases, the word acts as a label for a policy. If you are filling out a digital form, the error message for a missed field will often be: 'Dette felt er obligatorisk' (This field is mandatory).

Negative Usage
To say something is not mandatory, use 'ikke obligatorisk' or 'valgfrit'.

Deltagelse i julefrokosten er ikke obligatorisk, men vi håber at se dig.

Finally, consider the nuances of tone. Using obligatorisk can sound a bit stiff or bureaucratic. In casual conversation, Danes might prefer 'man skal' (one must) or 'det er et krav' (it is a requirement). However, when you want to be precise about the nature of a rule, obligatorisk is the most accurate term to use. It removes any ambiguity about whether an action is a suggestion or a command.

In Denmark, a country known for its high level of social organization and 'foreningsliv' (club life), the word obligatorisk is heard in several distinct domains. The most common place is within the educational system. From the first day of 'Folkeskolen' to the final thesis at university, students are constantly informed about what is obligatorisk. This refers to exams, specific courses, and sometimes even social activities organized by the school.

Government and News
You will hear news anchors or politicians use this word when discussing new legislation. For example, 'obligatorisk digital post' (mandatory digital mail) was a major transition in Danish society.

Regeringen overvejer obligatorisk sprogtest for alle børn i visse områder.

Workplace environments are another primary source. During onboarding, HR might provide a list of obligatoriske kurser regarding GDPR, workplace safety, or company ethics. In these contexts, the word emphasizes that these tasks are part of your job description and not optional extras. It is also frequently heard in the context of the Danish 'A-kasse' (unemployment insurance) system, where certain meetings and job-seeking activities are obligatoriske to receive benefits.

Travel and Public Transport
Announcements on trains or at airports often use this word. 'Pladsreservation er obligatorisk på dette tog' (Seat reservation is mandatory on this train) is a common phrase on InterCityLyn trains during peak hours.

Husk at pladsbestilling er obligatorisk i myldretiden.

In the digital world, Danish websites and apps use obligatorisk in user interfaces. When you are creating a profile, the fields for your name and email are almost always labeled as obligatoriske felter. This is perhaps the most frequent visual encounter with the word for most people. Even in sports, certain equipment might be obligatorisk, such as a helmet in specific cycling races or shin guards in football matches.

Cultural Nuance
Danes value 'frivillighed' (volunteering), so when something is labeled 'obligatorisk', it is often seen as a necessary evil for the common good or for administrative efficiency.

Det er obligatorisk at fremvise gyldig legitimation ved indgangen.

Lastly, you might hear it in the kitchen or at social events when discussing traditions. 'Den obligatoriske flæskesteg til jul' (The mandatory roast pork for Christmas) uses the word in a more lighthearted, cultural sense, implying that a tradition is so ingrained that it feels like a requirement. This shows how the word has migrated from strict legal code into the everyday vocabulary of Danish life.

Even though obligatorisk is a cognate with 'obligatory', English speakers often make subtle errors when applying it in Danish. One of the most frequent mistakes is confusing it with the word 'nødvendig' (necessary). While everything that is obligatorisk is usually nødvendig for a certain outcome, the reverse is not true. 'Nødvendig' refers to a logical or physical need, while 'obligatorisk' refers to a rule-based requirement.

Mistake 1: Confusing with 'Nødvendig'
Saying 'Det er obligatorisk at drikke vand' sounds like there is a law requiring water consumption. Use 'nødvendigt' instead.

Forkert: Det er obligatorisk at spise for at overleve. (Rigtigt: nødvendigt)

Another common error is the inflection of the word. Adjectives in Danish must agree with the gender and number of the noun they modify. Many learners forget the '-e' ending for plural nouns or for the definite form. For example, 'et obligatorisk kursus' is correct, but 'de obligatorisk kurser' is incorrect; it must be 'de obligatoriske kurser'.

Mistake 2: Missing the Plural '-e'
Learners often treat 'obligatorisk' as indeclinable because it is a long, Latin-based word. Always check the noun count.

Forkert: Vi har mange obligatorisk opgaver. (Rigtigt: obligatoriske)

A third mistake involves word order in 'at'-clauses. In Danish, when you say 'Det er obligatorisk at...', the 'at' is a conjunction introducing an infinitive. Some learners try to use the word as a verb (like 'to obligate'). Danish uses 'at forpligte' for the verb form. You cannot say 'Jeg obligatorisker dig'. You must say 'Jeg forpligter dig' or 'Det er obligatorisk for dig'.

Mistake 3: Using it as a Verb
'Obligatorisk' is purely an adjective. If you need an action word, look for 'at pålægge' or 'at forpligte'.

Forkert: De obligatorisker os til at gå. (Rigtigt: De tvinger os / Det er obligatorisk for os)

Finally, be careful with the register. While obligatorisk is common, using it in a very casual setting (like telling a friend they 'must' come to your house) can sound overly formal or even bossy. In those cases, 'du bliver nødt til' or 'du skal' is much more natural. Reserve obligatorisk for rules, systems, and formal requirements to avoid sounding like a bureaucrat in your private life.

Understanding the synonyms and near-synonyms of obligatorisk will help you fine-tune your Danish and sound more like a native speaker. The most common alternative is påkrævet. While often interchangeable, påkrævet often feels slightly more active—something that is 'demanded' or 'required' by the circumstances or a person, whereas obligatorisk feels like it comes from a rulebook.

Obligatorisk vs. Påkrævet
'Obligatorisk' is usually about a fixed rule (like a school subject). 'Påkrævet' is often about what is necessary to achieve a goal (like a signature on a document).

En underskrift er påkrævet for at fuldføre ansøgningen.

Another important word is tvungen (forced/compulsory). This word is much stronger and often has a negative connotation. It implies that someone is being made to do something against their will. 'Tvungen skolegang' (compulsory schooling) is a technical term, but 'tvungen deltagelse' might sound more oppressive than 'obligatorisk deltagelse'. Use tvungen when you want to emphasize the lack of freedom or the use of force.

Obligatorisk vs. Tvungen
'Obligatorisk' is the neutral, administrative term. 'Tvungen' highlights the coercion or the lack of voluntary choice.

Der var tale om tvungen arbejdskraft under krigen.

If you are looking for a more everyday way to say something is mandatory, the phrase et krav (a requirement) is very useful. Instead of saying 'Det er obligatorisk at have erfaring', you can say 'Det er et krav at have erfaring'. This is very common in job advertisements. Similarly, the verb skal (must/shall) is the most basic way to express obligation in speech.

Obligatorisk vs. Bindende
'Bindende' means 'binding'. It is used for contracts or agreements. An 'obligatorisk' rule might be 'bindende' once you sign up for it.

Denne aftale er juridisk bindende for begge parter.

Lastly, consider the word uomgængelig. This means 'unavoidable' or 'indispensable'. It is used when something is so necessary that it cannot be bypassed. While 'obligatorisk' is about rules, 'uomgængelig' is about necessity. For example, 'Sprogkundskaber er uomgængelige, hvis man vil bo i Danmark' (Language skills are indispensable if you want to live in Denmark). Choosing the right word depends on whether you are citing a rulebook or describing a reality.

How Formal Is It?

Fun Fact

The root 'ligare' is the same root found in the word 'ligament' (the tissue that binds bones together) and 'religion' (often interpreted as being bound to a set of beliefs).

Pronunciation Guide

UK /ɔbliɡaˈtoːɐ̯isɡ/
US /ˌɑblɪɡəˈtɔːrɪsk/
The primary stress is on the fourth syllable: ob-li-ga-TO-risk.
Rhymes With
historisk euforisk kategorisk metaforisk allegorisk teoretisk (near rhyme) praktisk (near rhyme) fantastisk (near rhyme)
Common Errors
  • Pronouncing the 'g' as a soft 'j' (it should be hard).
  • Stress on the first syllable (OB-ligatorisk) instead of the fourth.
  • Forgetting the 'k' at the end or making it sound like 'ch'.
  • Over-pronouncing the 'r' like an English 'r'.
  • Missing the 'i' sound in 'risk'.

Difficulty Rating

Reading 2/5

Easy to recognize because it is a cognate with 'obligatory'.

Writing 4/5

Requires correct inflection (-e) and spelling of the '-isk' suffix.

Speaking 5/5

Long word with specific stress and a Danish 'r' can be tricky.

Listening 3/5

Generally clear, but can be swallowed in fast speech.

What to Learn Next

Prerequisites

skal regel lov nødvendig fag

Learn Next

valgfrit påkrævet forpligtelse dispensation vedtægt

Advanced

fakultativ ufravigelig hjemmel præmisser konformitet

Grammar to Know

Adjective inflection with -isk

Adjectives ending in -isk do not take a -t in the neuter singular. (Det er obligatorisk, NOT obligatoriskt).

Plural ending -e

Always add -e for plural nouns: De obligatoriske kurser.

Definite ending -e

Always add -e after den/det/de: Den obligatoriske bog.

Impersonal 'Det er'

Det er obligatorisk at... (It is mandatory to...)

Adverbial usage

The adverbial form is the same as the base form: Det er obligatorisk fastsat.

Examples by Level

1

Dette felt er obligatorisk.

This field is mandatory.

Simple adjective use.

2

Er kurset obligatorisk?

Is the course mandatory?

Question form with 'at være'.

3

Det er obligatorisk.

It is mandatory.

Impersonal 'det er' construction.

4

Husk den obligatoriske bog.

Remember the mandatory book.

Definite form with '-e' ending.

5

Sikkerhed er obligatorisk.

Safety is mandatory.

Abstract noun with adjective.

6

Er det obligatorisk at komme?

Is it mandatory to come?

Infinitive clause with 'at'.

7

Et obligatorisk stop.

A mandatory stop.

Indefinite neuter (no -t needed as it ends in -isk).

8

De obligatoriske svar.

The mandatory answers.

Plural definite form.

1

I skolen er dansk et obligatorisk fag.

In school, Danish is a mandatory subject.

Attributive use with neuter noun 'fag'.

2

Det er obligatorisk at bære sele i bilen.

It is mandatory to wear a seatbelt in the car.

Standard 'det er obligatorisk at' pattern.

3

Vi har tre obligatoriske kurser i år.

We have three mandatory courses this year.

Plural ending '-e'.

4

Er det obligatorisk for alle medarbejdere?

Is it mandatory for all employees?

Prepositional phrase 'for alle'.

5

Dette er en obligatorisk opgave.

This is a mandatory assignment.

Common gender noun 'opgave'.

6

Mødet er ikke obligatorisk.

The meeting is not mandatory.

Negation with 'ikke'.

7

Hvorfor er det obligatorisk?

Why is it mandatory?

Adverbial 'hvorfor'.

8

Det er obligatorisk at medbringe pas.

It is mandatory to bring a passport.

Infinitive 'at medbringe'.

1

Mange mener, at obligatorisk motion i skolen er en god idé.

Many believe that mandatory exercise in school is a good idea.

Adjective modifying 'motion'.

2

Det er obligatorisk at have en ansvarsforsikring.

It is mandatory to have liability insurance.

Legal terminology.

3

De obligatoriske moduler skal gennemføres før eksamen.

The mandatory modules must be completed before the exam.

Plural definite with modal verb 'skal'.

4

Er det obligatorisk at betale for licens i Danmark?

Is it mandatory to pay for the media license in Denmark?

Cultural-legal context.

5

Alle ansøgere skal udfylde de obligatoriske felter.

All applicants must fill in the mandatory fields.

Plural adjective.

6

Det var obligatorisk at bære mundbind i bussen.

It was mandatory to wear a face mask on the bus.

Past tense 'var'.

7

Uddannelsen indeholder flere obligatoriske praktikophold.

The education includes several mandatory internships.

Compound noun 'praktikophold'.

8

Er det obligatorisk at stemme til valget?

Is it mandatory to vote in the election?

Discussing civic duties.

1

Fremmøde er obligatorisk ved alle forelæsninger.

Attendance is mandatory at all lectures.

Subject 'fremmøde' (attendance).

2

Der findes ingen obligatorisk pensionsalder i Danmark.

There is no mandatory retirement age in Denmark.

Negative construction 'ingen'.

3

Virksomheden har indført obligatorisk efteruddannelse.

The company has introduced mandatory continuing education.

Perfect tense 'har indført'.

4

Det er obligatorisk for udlændinge at bestå en sprogtest.

It is mandatory for foreigners to pass a language test.

Prepositional phrase 'for udlændinge'.

5

De obligatoriske krav er svære at opfylde.

The mandatory requirements are hard to meet.

Noun 'krav' (requirements).

6

Er obligatorisk værnepligt stadig relevant i dag?

Is mandatory military service still relevant today?

Political/social term 'værnepligt'.

7

Mange ser det som en obligatorisk del af kulturen.

Many see it as a mandatory part of the culture.

Metaphorical use of 'obligatorisk'.

8

Det obligatoriske bidrag trækkes automatisk fra lønnen.

The mandatory contribution is automatically deducted from the salary.

Passive voice 'trækkes'.

1

Implementeringen af obligatorisk digital post har været en udfordring.

The implementation of mandatory digital mail has been a challenge.

Complex noun phrase as subject.

2

Det er obligatorisk at overholde de etiske retningslinjer.

It is mandatory to adhere to the ethical guidelines.

Abstract concept 'etiske retningslinjer'.

3

Lovgivningen foreskriver obligatorisk mærkning af fødevarer.

The legislation prescribes mandatory labeling of food products.

Formal verb 'foreskriver'.

4

Den obligatoriske julefrokost kan føles som en belastning.

The mandatory Christmas lunch can feel like a burden.

Socio-cultural commentary.

5

Er obligatorisk medlemskab af en fagforening overhovedet lovligt?

Is mandatory membership in a trade union even legal?

Legal/political debate.

6

De obligatoriske procedurer sikrer høj kvalitet i arbejdet.

The mandatory procedures ensure high quality in the work.

Professional context.

7

Det er obligatorisk at angive kilden i akademiske opgaver.

It is mandatory to state the source in academic assignments.

Academic rule.

8

Reglerne om obligatorisk afrapportering er blevet strammet.

The rules on mandatory reporting have been tightened.

Passive present perfect.

1

Spørgsmålet om obligatorisk kvotering til bestyrelser er yderst kontroversielt.

The question of mandatory quotas for boards is highly controversial.

Complex abstract subject.

2

Det er obligatorisk for statens institutioner at anvende fællesindkøb.

It is mandatory for state institutions to use joint procurement.

Administrative law context.

3

Den obligatoriske karakter af disse bestemmelser kan ikke anfægtes.

The mandatory nature of these provisions cannot be contested.

Using 'karakter' to mean 'nature/status'.

4

Uden den obligatoriske godkendelse kan projektet ikke påbegyndes.

Without the mandatory approval, the project cannot be started.

Prepositional phrase 'Uden den...'.

5

Obligatorisk efterlevelse af internationale standarder er en forudsætning.

Mandatory compliance with international standards is a prerequisite.

High-level professional jargon.

6

Man debatterer, om obligatorisk screening for visse sygdomme er etisk forsvarligt.

It is debated whether mandatory screening for certain diseases is ethically sound.

Bioethical debate.

7

De obligatoriske elementer i kontrakten er nøje defineret.

The mandatory elements of the contract are precisely defined.

Legal precision.

8

I visse lande er obligatorisk deltagelse i valg en grundpille i demokratiet.

In certain countries, mandatory participation in elections is a pillar of democracy.

Political science context.

Synonyms

påkrævet tvungen nødvendig bindende foreskrevet uomgængelig ufravigelig dikteret

Antonyms

valgfri frivillig fakultativ undværlig

Common Collocations

obligatorisk undervisning
obligatorisk fremmøde
obligatorisk læsning
obligatorisk medlemskab
obligatorisk forsikring
obligatorisk opgave
obligatorisk felt
obligatorisk bidrag
obligatorisk kursus
obligatorisk værnepligt

Common Phrases

Det er obligatorisk

— A general statement that something is required.

Det er obligatorisk at bære maske.

Alle felter er obligatoriske

— Commonly seen on digital forms.

Husk at tjekke om alle felter er obligatoriske.

Gøre noget obligatorisk

— To make something mandatory through a new rule.

De vil gøre hjelme obligatoriske for cyklister.

Ikke obligatorisk

— Expressing that something is optional.

Deltagelse er ikke obligatorisk.

Obligatorisk for alle

— Applies to everyone without exception.

Sikkerhedskurset er obligatorisk for alle.

En obligatorisk del af

— A mandatory component of a larger whole.

Praktik er en obligatorisk del af studiet.

Under obligatorisk opsyn

— Required to be supervised by someone.

Barnet var under obligatorisk opsyn.

Obligatorisk aflevering

— A required submission (usually school).

Der er obligatorisk aflevering på fredag.

Modtage obligatorisk undervisning

— To receive the schooling required by law.

Alle børn skal modtage obligatorisk undervisning.

Det obligatoriske smil

— A smile one gives because it is expected, even if not felt.

Han gav det obligatoriske smil til fotografen.

Often Confused With

obligatorisk vs nødvendig

Nødvendig is a logical need; obligatorisk is a rule-based need.

obligatorisk vs tvungen

Tvungen implies force or coercion; obligatorisk is more neutral and administrative.

obligatorisk vs vigtig

Vigtig means important, but not necessarily mandatory.

Idioms & Expressions

"Den obligatoriske..."

— Used ironically to describe something that always happens at a specific event.

Vi fik den obligatoriske tale fra chefen.

informal/ironic
"Høre til de obligatoriske"

— To be one of the things that must be included.

Gaver hører til de obligatoriske elementer til en fødselsdag.

neutral
"Gøre det obligatoriske"

— To do the bare minimum required by rules.

Han gjorde kun det obligatoriske og ikke mere.

neutral
"En obligatorisk omgang"

— A routine or required round of something (e.g., drinks or questions).

Vi tog den obligatoriske omgang præsentationer.

informal
"Følge den obligatoriske vej"

— To follow the standard, required path.

Hun valgte ikke at følge den obligatoriske vej gennem systemet.

metaphorical
"Det obligatoriske stop"

— A stop that everyone always makes at a certain point.

Vi tog det obligatoriske stop ved pølsevognen.

informal
"Den obligatoriske julefrokost"

— Refers to the cultural phenomenon of office Christmas parties.

Er du klar til den obligatoriske julefrokost?

cultural
"Et obligatorisk onde"

— A 'necessary evil'—something mandatory that is unpleasant.

Skatter er for mange et obligatorisk onde.

neutral
"Det obligatoriske 'tak for i dag'"

— The expected polite phrase said when leaving.

Han glemte det obligatoriske 'tak for i dag'.

social
"Udfylde sin obligatoriske rolle"

— To act as expected in a social or professional situation.

Han udfyldte blot sin obligatoriske rolle som vært.

neutral

Easily Confused

obligatorisk vs obligatorisk

Sounds like 'obligation'.

Obligatorisk is the adjective (mandatory); obligation is the noun (duty/bond).

Det er obligatorisk at opfylde sin obligation.

obligatorisk vs påkrævet

They mean the same thing.

Påkrævet is often used for things needed for a process to work; obligatorisk is for rules.

Legitimation er påkrævet.

obligatorisk vs valgfrit

Learners swap them.

Valgfrit is the opposite (optional).

Dette modul er valgfrit.

obligatorisk vs skal

Both imply 'must'.

Skal is a modal verb; obligatorisk is an adjective describing the rule.

Du skal gøre det, fordi det er obligatorisk.

obligatorisk vs nødvendigt

Used interchangeably in English 'necessary'.

In Danish, 'nødvendigt' is for survival/logic, 'obligatorisk' for rules.

Det er nødvendigt at trække vejret.

Sentence Patterns

A1

Det er obligatorisk.

Det er obligatorisk.

A2

Det er obligatorisk at [infinitiv].

Det er obligatorisk at vente.

B1

[Substantiv] er obligatorisk for [personer].

Kurset er obligatorisk for alle studerende.

B2

En obligatorisk [substantiv] er [adjektiv].

En obligatorisk forsikring er nødvendig.

C1

Grundet [årsag] er det obligatorisk at [handling].

Grundet loven er det obligatorisk at indberette løn.

C2

Den obligatoriske karakter af [koncept] indebærer...

Den obligatoriske karakter af undervisningen indebærer et stort ansvar.

All

Ikke obligatorisk.

Det er ikke obligatorisk.

All

Alle [substantiv] er obligatoriske.

Alle felter er obligatoriske.

Word Family

Nouns

obligation (en) - a duty or financial bond
forpligtelse (en) - a commitment or obligation

Verbs

obligere (at) - to obligate (rare in modern Danish)
forpligte (at) - to obligate/commit someone

Adjectives

obligatorisk - mandatory
uobligatorisk - non-mandatory (rare)
forpligtende - binding/committing

Related

pligt
lov
regel
krav
ansvar

How to Use It

frequency

Very high in administrative, educational, and legal contexts.

Common Mistakes
  • Det er obligatoriskt. Det er obligatorisk.

    Adjectives ending in -isk do not take a -t in the neuter form.

  • De obligatorisk opgaver. De obligatoriske opgaver.

    You must add -e for plural nouns.

  • Det er obligatorisk at drikke vand. Det er nødvendigt at drikke vand.

    Use 'nødvendigt' for physical needs and 'obligatorisk' for rules.

  • Jeg obligatorisker dig. Jeg forpligter dig.

    'Obligatorisk' is an adjective, not a verb.

  • En obligatorisk valg. Et obligatorisk valg.

    'Valg' is a neuter noun (et), although 'obligatorisk' doesn't change, the article must be 'et'.

Tips

No Neuter -t

Remember that 'obligatorisk' never takes a -t. It is the same for both 'en' and 'et' nouns. This is a common rule for all Danish adjectives ending in -isk.

School Subjects

If you are talking about school, 'obligatoriske fag' are your core subjects. 'Valgfag' are your electives. This is the most common way you'll use the word.

The -isk Suffix

Always end the word with -isk. Some learners try to spell it -isket or -iskt based on other adjective patterns, but -isk is the fixed ending for the base form.

Cognate Power

Use your English knowledge! 'Obligatorisk' = 'Obligatory'. This makes it one of the easiest high-level words to add to your Danish vocabulary quickly.

Don't be too stiff

In casual conversation with friends, avoid 'obligatorisk' unless you're being funny. Use 'du skal' or 'man bliver nødt til' for a more natural flow.

Form Filling

When you see an asterisk (*) on a Danish website, it almost always means 'obligatorisk felt'. Now you know you can't skip it!

Insurance

In Denmark, 'ansvarsforsikring' (liability insurance) is 'obligatorisk'. If you own a car or a dog, you must have it by law.

Stress the 'TO'

The stress is on the 'TO' syllable. ob-li-ga-TO-risk. If you get the stress right, Danes will understand you even if your 'r' isn't perfect.

Reading Lists

On a syllabus, 'obligatorisk litteratur' is the stuff you actually have to read for the exam. 'Supplerende litteratur' is just extra for fun.

The Christmas Party

Danes often joke about the 'obligatoriske julefrokost'. It's technically voluntary, but social pressure makes it feel mandatory!

Memorize It

Mnemonic

Think of an 'OBLIGation' that is 'RISKy' to ignore. OBLIGA-TO-RISK. If you don't do it, you take a risk with the rules.

Visual Association

Visualize a red asterisk (*) on a form. In Danish, that asterisk always stands for 'obligatorisk'.

Word Web

Lov Regel Skole Krav Pligt Eksamen Pas Forsikring

Challenge

Try to find three things in your daily life that are 'obligatoriske' (e.g., paying rent, wearing clothes in public, stopping at red lights) and say the Danish sentence for each.

Word Origin

Derived from the Latin word 'obligatorius', which comes from 'obligare' (to bind). The prefix 'ob-' means 'towards' and 'ligare' means 'to bind' or 'to tie'.

Original meaning: To be legally or morally bound to an action.

Indo-European -> Latin -> Romance/Germanic adoption.

Cultural Context

Be aware that 'tvungen' (forced) is much more sensitive than 'obligatorisk' (mandatory). Use 'obligatorisk' for neutral administrative contexts.

In English-speaking countries, 'mandatory' or 'compulsory' is used similarly, but 'obligatory' can sometimes sound more formal or even slightly pretentious in casual speech compared to Danish.

The Danish Education Act (Folkeskoleloven) defines 'undervisningspligt' (mandatory education). The 'obligatorisk digital post' law of 2014. Danish military service (Værnepligt) is a form of obligatorisk service.

Practice in Real Life

Real-World Contexts

Education

  • Obligatorisk fag
  • Obligatorisk fremmøde
  • Obligatorisk læsning
  • Obligatorisk opgave

Legal/Admin

  • Obligatorisk forsikring
  • Obligatorisk digital post
  • Obligatorisk felt
  • Obligatorisk bidrag

Workplace

  • Obligatorisk kursus
  • Obligatorisk møde
  • Obligatorisk efteruddannelse
  • Obligatorisk julefrokost

Public Safety

  • Obligatorisk brug af sele
  • Obligatorisk mundbind
  • Obligatorisk hjelm
  • Obligatorisk vaccination (debate context)

Travel

  • Obligatorisk pladsreservation
  • Obligatorisk pas
  • Obligatorisk visum
  • Obligatorisk tjek-ind

Conversation Starters

"Synes du, at det skal være obligatorisk at stemme til valg?"

"Hvilke obligatoriske fag havde du i skolen?"

"Er det obligatorisk at give drikkepenge i dit hjemland?"

"Hvad mener du om obligatorisk værnepligt for både mænd og kvinder?"

"Er der nogle 'obligatoriske' traditioner i din familie?"

Journal Prompts

Skriv om en gang, hvor du skulle gøre noget obligatorisk, som du ikke havde lyst til.

Diskuter fordele og ulemper ved obligatorisk motion på arbejdspladsen.

Hvad ville der ske, hvis skolen ikke havde nogle obligatoriske fag?

Beskriv de obligatoriske ting, man skal gøre for at få et kørekort i dit land.

Reflektér over begrebet 'den obligatoriske julefrokost' og hvad det siger om dansk kultur.

Frequently Asked Questions

10 questions

No, 'obligatorisk' describes tasks, rules, or things, not people. You cannot say a person is 'obligatorisk'. You would use 'forpligtet' (obligated) for people. For example, 'Jeg er forpligtet til at hjælpe' (I am obligated to help).

Yes. 'Obligatorisk' is the neutral, official term used by schools and the government. 'Tvungen' (forced) sounds more aggressive and is used when you want to emphasize that someone has no choice and might even be unhappy about it.

No. Unlike many Danish adjectives that add a '-t' in the neuter (e.g., 'et rødt hus'), adjectives ending in '-isk' stay the same. So it is 'en obligatorisk opgave' and 'et obligatorisk kursus'.

'Påkrævet' is often used when something is required for a specific purpose, like 'underskrift påkrævet' (signature required). 'Obligatorisk' is better for general rules, like 'obligatorisk undervisning'.

You can say 'Det er ikke obligatorisk' or 'Det er valgfrit'. 'Valgfrit' is very common for things like toppings on pizza or elective subjects in school.

Yes, it is used for required equipment. For example, 'Det er obligatorisk at bruge benskinner' (It is mandatory to use shin guards) in a football match.

Yes, but it's often a bit ironic. If you say 'den obligatoriske tale', you mean the speech that always happens and that everyone expects, even if it's a bit boring.

The most common opposite is 'valgfrit' (optional). In very formal or academic contexts, you might see 'fakultativ'.

No, in Denmark it is 'frivilligt' (voluntary) to vote, although it is considered a strong social duty.

It sounds like the English word 'risk', but with a shorter 'i' and a very crisp 'sk' sound at the end.

Test Yourself 180 questions

writing

Skriv en sætning med ordet 'obligatorisk'.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Hvad er obligatorisk i dit job eller studie? Skriv 2 sætninger.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Forklar forskellen på 'obligatorisk' og 'valgfrit'.

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Correct! Not quite. Correct answer:
writing

Skriv en besked til en ven om et obligatorisk møde.

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Correct! Not quite. Correct answer:
writing

Brug 'obligatoriske' (flertal) i en sætning.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Beskriv en dansk tradition, der føles obligatorisk.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Skriv en formel sætning om reglerne i en lufthavn.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Hvad mener du om obligatorisk værnepligt? (3 sætninger).

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Oversæt: 'This field is mandatory.'

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Correct! Not quite. Correct answer:
writing

Oversæt: 'Is attendance mandatory?'

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Correct! Not quite. Correct answer:
writing

Skriv en sætning med 'ikke obligatorisk'.

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Correct! Not quite. Correct answer:
writing

Brug ordet 'obligatorisk' i en juridisk sammenhæng.

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Correct! Not quite. Correct answer:
writing

Skriv en sætning om obligatorisk læsning.

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Correct! Not quite. Correct answer:
writing

Lav en sætning med 'de obligatoriske opgaver'.

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Correct! Not quite. Correct answer:
writing

Hvad er obligatorisk for børn i Danmark? (Skole).

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Oversæt: 'Mandatory military service is debated.'

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Correct! Not quite. Correct answer:
writing

Brug 'obligatorisk' i en sætning om sikkerhed.

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Correct! Not quite. Correct answer:
writing

Skriv en sætning om en obligatorisk del af et studie.

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Correct! Not quite. Correct answer:
writing

Beskriv en situation, hvor noget er 'påkrævet' men ikke 'obligatorisk'.

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Correct! Not quite. Correct answer:
writing

Skriv en kort dialog om et obligatorisk kursus.

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Correct! Not quite. Correct answer:
speaking

Udtal ordet: 'obligatorisk'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig sætningen: 'Det er obligatorisk'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Alle felter er obligatoriske'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Spørg: 'Er det obligatorisk at komme?'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Dansk er et obligatorisk fag'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Jeg har tre obligatoriske kurser'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Forklar på dansk, hvad 'obligatorisk' betyder.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Det er obligatorisk at bære sikkerhedshjelm'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Pladsreservation er obligatorisk'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Vi skal udfylde de obligatoriske dokumenter'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Diskuter kort om obligatorisk motion i skolen.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Det er obligatorisk at have en ansvarsforsikring'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Er obligatorisk værnepligt stadig nødvendig?'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Deltagelse er ikke obligatorisk'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Den obligatoriske julefrokost er snart'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Udtal flertalsformen: 'obligatoriske'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Det er obligatorisk at tjekke ind'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Lovgivningen foreskriver obligatorisk mærkning'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Husk den obligatoriske bog'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Sig: 'Det er et obligatorisk krav'.

Read this aloud:

Correct! Not quite. Correct answer:
listening

Hvad hører du? 'Det er obligatorisk at komme.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hører du 'obligatorisk' eller 'obligatoriske'? 'De obligatoriske fag.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hvad hører du? 'Er det obligatorisk?'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hører du 'valgfrit' eller 'obligatorisk'? 'Mødet er obligatorisk.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hvad hører du? 'Alle felter skal udfyldes.' (Underforstået obligatorisk).

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hører du 'obligatorisk' i denne sætning? 'Det er nødvendigt.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hvad hører du? 'Pladsbillet er obligatorisk.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hvad hører du? 'Det er obligatorisk at have pas med.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hører du flertals-e? 'De obligatoriske svar.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hvad hører du? 'Forsikringen er obligatorisk.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hvad hører du? 'Det er ikke obligatorisk.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hvad hører du? 'Værnepligten er obligatorisk.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hvad hører du? 'Det obligatoriske smil.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hører du 'obligatorisk' eller 'påkrævet'? 'Legitimation er påkrævet.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Hvad hører du? 'Kurset er obligatorisk for alle.'

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

/ 180 correct

Perfect score!

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