In English, turning a description into a manner adverb means adding -ly: quick → quickly, beautiful → beautifully, careful → carefully. Dutch does nothing of the kind. To say how an action is done, you take the plain adjective and use it as-is. Mooi is both "beautiful" and "beautifully"; snel is both "fast (adj.)" and "fast (adv.)"; goed is both "good" and "well." There is no suffix to add, no ending to change. For English speakers this is a relief — but it also breeds a specific, very common error: inventing a -lijk ending by analogy with -ly. This page nails down the one real distinction (attributive vs adverbial form) and clears up the traps.
The rule: the bare adjective is the manner adverb
When a word describes how something happens — modifying a verb — you use the uninflected adjective, full stop.
Hij zingt mooi en hij speelt ook nog eens goed gitaar.
He sings beautifully and he plays guitar well too.
Ze werkt hard en ze leert snel — een ideale collega.
She works hard and she learns fast — an ideal colleague.
Rij voorzichtig, het is glad op de weg.
Drive carefully, the road is slippery.
Notice mooi, goed, hard, snel, voorzichtig — every one is just the dictionary adjective doing adverb duty. English would tack -ly onto most of them; Dutch leaves them alone.
The one distinction that matters: attributive vs adverbial
The only place an ending appears is when the adjective stands directly in front of a noun — its attributive use. There it usually takes -e (een snelle auto, a fast car). The moment the same word switches to adverbial duty — describing a verb, an adjective, or another adverb — the -e vanishes. Watch the same root flip:
| Use | Form | Example |
|---|---|---|
| Attributive (before a noun) | snelle (with -e) | een snelle trein — a fast train |
| Predicative (after 'to be') | snel (no ending) | de trein is snel — the train is fast |
| Adverbial (modifying a verb) | snel (no ending) | de trein rijdt snel — the train runs fast |
Het was een rustige avond en we hebben heerlijk rustig gegeten.
It was a quiet evening and we ate wonderfully quietly. ('rustige' before the noun; 'rustig' as adverb)
Een goede kok proeft tussendoor en kruidt alles goed af.
A good cook tastes as they go and seasons everything well. ('goede' attributive; 'goed' adverbial)
The test is mechanical: is there a noun right after it? If yes, you may need -e (the adjective inflection rules apply). If it's describing a verb, the adverb takes nothing.
Degree-modified adverbs: heel snel, ontzettend goed
You can crank a manner adverb up or down with a degree word in front — heel (very), erg (very), ontzettend (incredibly), te (too), een beetje (a bit), zo (so). The degree word itself is an adverb of degree, and — like every adverb — it stays bare. The manner adverb after it also stays bare. Nothing in the whole stack takes an ending.
Ze fietst ontzettend snel, ik kan haar bijna niet bijhouden.
She cycles incredibly fast, I can barely keep up with her.
Het ging eigenlijk best goed, beter dan ik had verwacht.
It actually went pretty well, better than I'd expected.
Praat alsjeblieft een beetje langzamer, ik versta je niet.
Please talk a bit more slowly, I can't understand you.
(Watch heel specifically: when heel itself sits before an inflected adjective it can take an -e — een hele mooie dag — but as a pure degree adverb before another adverb it stays bare: ze zingt heel mooi. The intensifiers page handles this wrinkle.)
The -lijk trap
Here is the calque English speakers reach for: seeing -ly, they manufacture a Dutch -lijk — turning snel into the non-word snellijk, or mooi into mooilijk. Do not do this. Dutch -lijk is real, but it is a fossilised word-forming suffix baked into specific lexical items (waarschijnlijk probably, natuurlijk of course, eindelijk finally, makkelijk/gemakkelijk easy, vriendelijk friendly). It is not a live tool you can bolt onto any adjective to make an adverb. Many -lijk words are even adjectives in their own right (een vriendelijke man). You never derive a manner adverb with -lijk; the manner adverb is always just the bare adjective.
Hij heeft het eindelijk makkelijk opgelost.
He finally solved it easily. ('eindelijk' and 'makkelijk' are lexical -lijk words, not derived from a verb's needs)
The handful of adverb-only forms
A few common adverbs are not adjectives at all — they exist only as adverbs and you'll never see them inflected before a noun. The everyday ones: graag (gladly / "would like to"), erg (very / badly), vaak (often), nu (now), hier/daar (here/there), toen (then), misschien (maybe), helaas (unfortunately). Graag in particular has no English one-word match and no adjectival twin — it lives only as an adverb.
Ik drink 's ochtends graag een kop koffie op het balkon.
In the morning I like to drink a cup of coffee on the balcony. ('graag' = 'gladly / like to', adverb-only)
Dat doe ik heel graag voor je.
I'll gladly do that for you.
Common Mistakes
❌ Zij zingt mooilijk.
Incorrect — no -lijk is added to make an adverb. The bare adjective is the adverb: 'mooi'.
✅ Zij zingt mooi.
She sings beautifully.
❌ Hij rijdt snelle door de bocht.
Incorrect — an adverb never takes -e. 'Snelle' only goes before a noun (een snelle auto).
✅ Hij rijdt snel door de bocht.
He drives fast around the bend.
❌ Het gaat heel well met de kinderen.
Incorrect — 'well' is just 'goed' in Dutch, the bare adjective; there's no separate adverb.
✅ Het gaat heel goed met de kinderen.
The children are doing very well.
❌ Ze werkt hardlijk aan haar scriptie.
Incorrect — again no -lijk suffix; 'hard' is both the adjective and the adverb.
✅ Ze werkt hard aan haar scriptie.
She works hard on her thesis.
❌ Ik wil graage een kopje thee.
Incorrect — 'graag' is adverb-only and never inflects; there is no 'graage'.
✅ Ik wil graag een kopje thee.
I'd like a cup of tea.
Key Takeaways
- Dutch has no -ly: the bare adjective doubles as the manner adverb (mooi → zingt mooi, goed → gaat goed, hard → werkt hard).
- The only ending is -e on the attributive adjective before a noun (een snelle auto). Predicative and adverbial uses take nothing.
- Stack degree words (heel, erg, ontzettend, te, een beetje) in front freely — they and the manner adverb all stay bare.
- Never invent a -lijk suffix to mimic English -ly. -lijk is frozen inside specific words (natuurlijk, waarschijnlijk, makkelijk), not a live derivation.
- A few adverbs are adverb-only and never inflect — most notably graag ("gladly / would like to").
Now practice Dutch
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Start learning Dutch→Related Topics
- Dutch Adverbs: OverviewA2 — The big picture for the Adverbs group: the main types (manner, time, place, degree, and sentence/modal adverbs); the headline fact that Dutch adverbs never inflect — no -e ending, unlike attributive adjectives; that the plain adjective IS the manner adverb (no -ly to add); and the time–manner–place ordering, which is the exact reverse of English's manner–place–time.
- Manner Adverbs and Adverbs of QualityA2 — How Dutch says 'how' something is done. Manner adverbs are simply the bare adjective — no -ly suffix to add: hij rijdt voorzichtig, ze werkt hard, het gaat goed. They sit low in the middle field, right by the verb. Plus the difference between pure-manner adverbs (snel) and evaluating sentence adverbs (gelukkig, helaas), and the double life of hard (hard/fast/loud).
- Predicate vs Attributive AdjectivesA1 — An adjective before a noun (attributive) may take -e; an adjective after a linking verb like zijn (predicate) never does. Recognising which slot you're in tells you instantly whether the -e rule even applies — and the predicate slot behaves exactly like English.
- The -e Rule and Its One Big ExceptionA1 — Before a noun, a Dutch adjective takes -e — always — with exactly one exception: a singular het-word introduced by een or no article keeps the adjective bare (een mooi huis). Master that one cell and the whole rule is yours.
- Using Heel, Erg and Niet Zo (A2)A2 — The everyday dials for degree: heel and erg are the casual 'very', een beetje turns it down to 'a bit', and niet zo is the natural 'not very' — with a note on when heel itself takes an ending.