C1 verb 3 min read

accumuleren

When you start learning a new language, it's really helpful to accumulate words and phrases. This means you are gathering them little by little. Think about how you collect things you like, like stickers or coins. You're building up a collection over time. In Dutch, when you accumuleren knowledge, you are slowly gaining more and more of it.

§ 'Accumuleren' in Dutch

You're learning Dutch, and you've come across 'accumuleren'. What does it mean? When do you use it? Let's get straight to it.
Word
accumuleren (verb)
Definition
To gather together or acquire an increasing number of something, often over a period of time. Think of it as 'to accumulate' in English.

De studenten accumuleren kennis door veel te lezen. (The students accumulate knowledge by reading a lot.)

Het bedrijf probeert kapitaal te accumuleren voor een nieuwe investering. (The company tries to accumulate capital for a new investment.)

§ Similar words and when to use them

Dutch has several words that are similar to 'accumuleren'. Let's look at them so you know when to use which one.
  • Verzamelen (to collect/gather)
    This is a common, everyday verb. You use it for collecting physical objects, information, or people.

    Ik verzamel postzegels. (I collect stamps.)

    De politie verzamelt bewijsmateriaal. (The police gather evidence.)

  • Ophopen (to heap up/accumulate)
    'Ophopen' is quite close to 'accumuleren', but it often implies an unintentional build-up, sometimes with a negative connotation. Think of things piling up, like dust, debt, or work.

    Het stof begint zich op de planken te ophopen. (The dust is starting to accumulate on the shelves.)

    De rekeningen hopen zich op. (The bills are piling up.)

  • Opbouwen (to build up)
    'Opbouwen' suggests a more deliberate and structured process of building something up, like a career, a reputation, or a collection of skills.

    Hij probeert een goede reputatie op te bouwen. (He tries to build up a good reputation.)

    Je moet geduld hebben om vermogen op te bouwen. (You need patience to build up wealth.)

  • Vergaren (to gather/collect)
    'Vergaren' is a more formal synonym for 'verzamelen', often used when speaking about abstract things like knowledge, experience, or wealth. It has a slightly more archaic feel than 'verzamelen'.

    Hij heeft veel ervaring vergaard in zijn carrière. (He has gathered a lot of experience in his career.)

    Het is moeilijk om rijkdom te vergaren zonder hard werken. (It's difficult to gather wealth without hard work.)

§ When to use 'accumuleren'

Use 'accumuleren' when you want to emphasize the gradual build-up or increase of something, often over time, in a more formal or technical context. It's suitable for things like:
  • Knowledge or information
  • Capital or wealth (in a business/economic context)
  • Energy or charge (in a scientific/technical context)
  • Data or statistics

Pronunciation Guide

UK /ˌɑ.ky.myˈleː.rə(n)/
US /ˌɑ.kju.myˈleɪ.rən/
short
Rhymes With
functioneren informeren presenteren
Common Errors
  • Pronouncing 'uu' like in 'moon' instead of the Dutch 'uu' sound.

Examples by Level

1

De batterij accumuleert energie tijdens het rijden.

The battery accumulates energy while driving.

Present tense, 'accumuleert' is the conjugated form of 'accumuleren'.

2

Afval kan zich accumuleren in de oceaan, wat schadelijk is voor het milieu.

Waste can accumulate in the ocean, which is harmful to the environment.

Reflexive verb 'zich accumuleren', meaning 'to accumulate itself'.

3

Door hard werken kun je veel kennis accumuleren.

By working hard, you can accumulate a lot of knowledge.

Infinitive 'accumuleren' used after 'kun je'.

4

Na verloop van tijd zullen er veel herinneringen accumuleren.

Over time, many memories will accumulate.

Future tense with 'zullen accumuleren'.

5

De sneeuw begon snel te accumuleren op de daken.

The snow quickly started to accumulate on the roofs.

Past tense 'begon te accumuleren', indicating the start of an action.

6

Zonder goede drainage kan water accumuleren in de tuin.

Without good drainage, water can accumulate in the garden.

Modal verb 'kan' followed by the infinitive 'accumuleren'.

7

Het bedrijf probeerde kapitaal te accumuleren voor de nieuwe investering.

The company tried to accumulate capital for the new investment.

Past tense 'probeerde te accumuleren', indicating an attempt.

8

Door kleine bedragen te sparen, kun je een aanzienlijk bedrag accumuleren.

By saving small amounts, you can accumulate a significant amount.

Infinitive 'accumuleren' used after 'kun je'.

1

De bewijzen begonnen zich snel te accumuleren tegen de verdachte, waardoor zijn positie onhoudbaar werd.

The evidence quickly began to gather against the suspect, making his position untenable.

Here 'zich te accumuleren' emphasizes the reflexive nature of the evidence gathering itself.

2

Na jaren van hard werken, begon hij een aanzienlijk fortuin te accumuleren, wat hem financiële vrijheid gaf.

After years of hard work, he began to accumulate a considerable fortune, which gave him financial freedom.

The infinitive 'te accumuleren' follows 'begon' (began).

3

Stof en vuil kunnen zich in de hoeken van de kamer accumuleren als er niet regelmatig wordt schoongemaakt.

Dust and dirt can accumulate in the corners of the room if it's not cleaned regularly.

Again, 'zich ... accumuleren' highlights the self-gathering action.

4

De wetenschappers probeerden gegevens te accumuleren over de effecten van klimaatverandering op de poolkappen.

The scientists tried to accumulate data about the effects of climate change on the polar ice caps.

The verb 'probeerden' (tried) is followed by 'te accumuleren'.

5

Tijdens de crisis begonnen veel mensen voedselvoorraden te accumuleren uit angst voor tekorten.

During the crisis, many people started to accumulate food supplies out of fear of shortages.

'Begonnen ... te accumuleren' is a common construction for 'started to accumulate'.

6

De overheid probeert kapitaal te accumuleren door middel van belastingheffing om publieke diensten te financieren.

The government tries to accumulate capital through taxation to finance public services.

Here, 'accumuleren' is used transitively with 'kapitaal' as the direct object.

7

Zonder de juiste ventilatie kan vocht zich accumuleren in de badkamer, wat schimmelgroei kan veroorzaken.

Without proper ventilation, moisture can accumulate in the bathroom, which can cause mold growth.

'Zich accumuleren' is used here, similar to the first example, for something gathering itself.

8

Door consequent te oefenen, zal je kennis van het Nederlands zich snel accumuleren.

By practicing consistently, your knowledge of Dutch will quickly accumulate.

The future tense 'zal zich accumuleren' indicates that the accumulation will happen.

Common Collocations

kennis accumuleren accumulate knowledge
rijkdom accumuleren accumulate wealth
ervaring accumuleren accumulate experience
gegevens accumuleren accumulate data
schuld accumuleren accumulate debt
macht accumuleren accumulate power
informatie accumuleren accumulate information
bewijs accumuleren accumulate evidence
stoom accumuleren accumulate steam
stress accumuleren accumulate stress

Common Phrases

Hij probeert zoveel mogelijk kennis te accumuleren.

He tries to accumulate as much knowledge as possible.

Het bedrijf begint schulden te accumuleren.

The company is starting to accumulate debt.

Door hard werken kun je veel ervaring accumuleren.

By working hard, you can accumulate a lot of experience.

We moeten meer gegevens accumuleren voor het onderzoek.

We need to accumulate more data for the research.

De vorst kan aan de ramen accumuleren.

The frost can accumulate on the windows.

Het afval begint zich op straat te accumuleren.

The waste is starting to accumulate on the street.

Het is belangrijk om rijkdom te accumuleren voor je pensioen.

It is important to accumulate wealth for your retirement.

Hij liet macht accumuleren in zijn handen.

He allowed power to accumulate in his hands.

De stress kan in het lichaam accumuleren.

Stress can accumulate in the body.

Regenwater kan in de kuilen accumuleren.

Rainwater can accumulate in the puddles.

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