The Intensifier Scale: Heel, Erg, Zeer, Ontzettend | Dutch Grammar

English speakers reach for very almost by reflex, and then for really, so, extremely, incredibly when very runs out of steam. Dutch has the same dial, but the rungs are spaced differently and — crucially — each one carries its own register. Pick the wrong rung and you don't sound wrong so much as out of place: zeer in a chat with friends sounds like you swallowed a textbook, while hartstikke in a job application sounds like you forgot where you were. This page lays the intensifiers out from weakest to strongest and tells you, for each, where it belongs.

The scale, from weak to strong

Think of degree as a slider running from "barely" up through "very" to "too much." Here is the whole cline, with the everyday default forms in the middle:

Strength	Intensifier	Register	Gloss
weak	een beetje	(informal)	a bit, a little
moderate	tamelijk, redelijk, behoorlijk	neutral	fairly, quite
strong (default)	heel, erg	everyday, neutral	very
strong (formal)	zeer	(formal) / (literary)	very, highly
very strong	ontzettend, enorm, ongelofelijk	everyday → emphatic	incredibly, enormously
very strong (slang)	hartstikke, reuze, mega	(informal)	dead, super
excessive	veel te, te	neutral	far too, too

De film was wel aardig, maar een beetje langdradig.

The film was okay, but a bit drawn-out. ('een beetje' = the weak rung)

Het was een tamelijk drukke dag op kantoor.

It was a fairly busy day at the office. ('tamelijk' = the moderate rung)

Heel and erg: your everyday "very"

These two are the workhorses. Heel and erg both translate very, and in most spoken contexts they're interchangeable: heel mooi and erg mooi both mean very beautiful. The one real difference is that erg originally means bad/badly, so it leans slightly toward intensifying something undesirable — but that lean has worn almost flat in modern usage, and erg blij (very happy) is completely normal.

Dat is heel lief van je, dank je wel.

That's very sweet of you, thank you. (everyday 'heel')

Ik vond het erg jammer dat je er niet was.

I thought it was a real shame you weren't there. ('erg' before something negative — its native habitat)

We waren erg blij met het nieuws.

We were very happy with the news. ('erg' with a positive adjective — also fine)

You can stack the two for extra force: heel erg is a fixed, very common intensifier meaning very, very or really.

Bedankt, ik vind het heel erg fijn dat je belt.

Thanks, I really appreciate you calling. ('heel erg' = stacked, stronger than either alone)

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Don't let heel tempt you into adding an ending. As an intensifier modifying an adjective, heel stays bare: heel mooi, heel oud, heel duur. The only place it inflects is the colloquial fixed phrase where it sits directly before an attributive adjective + noun: een hele mooie dag (a really nice day). That -e on hele is informal and applies only in that exact frame.

Zeer: the formal "very"

Zeer also means very, but it lives in writing and formal speech — reports, ceremonies, polite correspondence, the news. In casual conversation it sounds stiff and old-fashioned, the way most or exceedingly would in spoken English. Native speakers don't say de soep is zeer lekker over dinner; they say heel lekker or erg lekker. Save zeer for the register that wants it.

Wij zijn zeer tevreden over de samenwerking.

We are highly satisfied with the collaboration. (formal — fits a business email)

Het was een zeer geslaagde avond.

It was a most successful evening. (formal/written register)

De directeur hield een zeer indrukwekkende toespraak.

The director gave a most impressive speech. (formal)

One fixed everyday survival of zeer: the polite formula zeer bedankt (thank you very much) and the closing hoogachtend territory. But as a free intensifier in speech, treat it as formal.

Ontzettend, enorm, ongelofelijk: the strong end

When heel and erg aren't enough, Dutch jumps to a set of strong intensifiers that all literally describe something overwhelming: ontzettend (terribly, lit. "appallingly"), enorm (enormously), ongelofelijk (unbelievably), vreselijk (terribly), verschrikkelijk (horribly). Like English terribly and incredibly, they've been bleached of their negative meaning and now just mean very much so — you can be ontzettend blij (terribly happy) with no irony.

Ik ben ontzettend trots op je.

I'm incredibly proud of you. (strong, fully positive)

Het was enorm gezellig gisteravond.

It was enormously fun last night. ('enorm' as a strong intensifier)

Sorry dat ik zo laat ben — het is ongelofelijk druk op de weg.

Sorry I'm so late — the traffic is unbelievably heavy. (everyday strong intensifier)

Hartstikke, reuze, mega: the slang end

These are the very informal intensifiers — the ones you'll hear among friends, in texts, on the street, but never in a formal document. Hartstikke (dead, totally) is the classic Netherlands-Dutch booster: hartstikke leuk (loads of fun), hartstikke goed (dead good). Reuze (lit. "giant") is a touch dated but still heard, and mega/super/keihard are the younger-generation boosters.

Die nieuwe kroeg is hartstikke leuk, je moet er eens heen.

That new pub is loads of fun, you should check it out. (very informal 'hartstikke')

Bedankt, hè — ontzettend aardig van je. Echt hartstikke bedankt.

Thanks, eh — really kind of you. Thanks a million. (informal closing)

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Match the booster to the room. In a thank-you to a recruiter, write zeer bedankt or heel erg bedankt. Among friends, hartstikke bedankt. They mean the same thing; only the register differs — and getting the register wrong is the single most common way intermediate learners reveal they learned Dutch from a book.

Heel veel vs veel: intensifying quantity

Watch the difference between intensifying an adjective and intensifying a quantity. Veel alone means much/many; to boost it you say heel veel (very much, a great many), not erg veel (which exists but is less idiomatic). And you cannot use heel to mean much on its own — heel boosts adjectives and adverbs, veel boosts verbs and counts nouns.

Er waren heel veel mensen op het festival.

There were a great many people at the festival. ('heel veel' boosts the quantity)

Ik hou heel veel van je.

I love you very much. (the fixed way to intensify 'houden van')

Veel te: the excessive rung

At the top of the scale, past very, sits te (too) and its booster veel te (far too). This rung says the quality has overshot what's acceptable. Veel te is a unit — veel (much) intensifying te (too) — and it sits directly in front of the adjective: veel te duur (far too expensive). Don't split it.

Deze jas is veel te duur, dat ga ik echt niet betalen.

This coat is far too expensive, I'm really not paying that. ('veel te' + adjective)

Je rijdt veel te hard, doe eens rustig.

You're driving far too fast, take it easy. (excessive degree)

Common Mistakes

❌ De soep is zeer lekker, mam!

Incorrect register — 'zeer' is formal/written and sounds stiff at the dinner table. Use 'heel' or 'erg'.

✅ De soep is heel lekker, mam!

The soup is really tasty, Mum!

❌ Bedankt, dat is hartstikke vriendelijk van u.

Mismatched register — 'hartstikke' is slang; pairing it with the formal 'u' clashes. Use 'heel' or 'zeer'.

✅ Bedankt, dat is heel vriendelijk van u.

Thank you, that's very kind of you.

❌ Er waren heel mensen op het feest.

Incorrect — 'heel' boosts adjectives, not quantities. To intensify 'many' you need 'heel veel'.

✅ Er waren heel veel mensen op het feest.

There were a great many people at the party.

❌ Deze jas is te veel duur.

Incorrect — 'far too' is the fixed unit 'veel te' placed before the adjective, not 'te veel'.

✅ Deze jas is veel te duur.

This coat is far too expensive.

❌ Het was een heel mooie dag, heel mooi weer.

Not wrong, but mixing the two frames; remember the inflected 'hele' only appears colloquially before an attributive adjective: 'een hele mooie dag'. As a bare adverb 'heel' never takes -e.

✅ Het was een hele mooie dag met heel mooi weer.

It was a really nice day with really nice weather. (colloquial inflected 'hele' before the noun phrase; bare 'heel' before the predicate)

Key Takeaways

The default everyday "very" is heel or erg — interchangeable, neutral, safe in nearly any spoken context.
Zeer means the same but is (formal)/(literary); it sounds stiff in casual speech.
Ontzettend, enorm, ongelofelijk are the strong rung; hartstikke, reuze, mega are the same strength but (informal)/slang.
Veel te (far too) is a fixed unit for the excessive top of the scale.
The intensifier you choose broadcasts your register — matching it to the situation is the real skill here.

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