Lexical Adverbs and Adverb Placement

Not every adverb is built from a predicate with -게 or -이/-히. A large, everyday class of Korean adverbs are simply adverbs by nature — you learn them as whole words, the way you learn "well" or "again" in English. This page covers those lexical adverbs, and then the rule that matters most about all Korean adverbs: where they go. Korean adverbs are pre-modifiers. They stand in front of what they modify, and never behind it.

The pure lexical adverbs

These are high-frequency words you'll use from your first week. They don't derive from anything — they're just adverbs.

Note that 빨리 ("fast, quickly") is a lexical adverb that lives right alongside the derived 빠르게 — both mean "quickly." 빨리 is the go-to word in speech (빨리 와! "come fast!"); 빠르게 leans a touch more toward describing the manner of an action precisely. Having both is normal, not a contradiction.

The placement rule: adverbs go before their target

Here is the one structural fact to internalize. A Korean adverb precedes the verb, adjective, adverb, or clause it modifies — it is a pre-modifier, full stop. 잘 먹어요 ("eats well") is correct; ×먹어요 잘 is simply not a Korean sentence. Coming from English, where "I eat well" puts the adverb after the verb, this is the reflex you have to retrain.

Why the rest of the sentence can move, but the adverb still can't flip

Korean word order is otherwise fairly free, because grammatical roles are marked by particles (은/는, 이/가, 을/를), not by position. You can front the object for emphasis, move a time phrase around, and the sentence still parses. So a manner adverb can shift its position — 오늘 저는 책을 많이 읽었어요 and 저는 오늘 책을 많이 읽었어요 are both fine.

But two things stay fixed. First, the adverb can drift earlier, never after its verb — flexibility means it can move up the sentence, not flip to the far side of what it modifies. Second, the default and tightest reading puts the adverb right before its predicate. The general principle is: the closer to the predicate, the tighter the scope.

Degree adverbs hug the word they intensify

Degree adverbs — 아주 ("very"), 너무 ("too"), 정말 ("really"), 조금 ("a little") — sit immediately before the specific word they intensify, whether that's a verb, an adjective, or another adverb. In 아주 빨리 걸어요 ("walks very fast"), 아주 intensifies 빨리 (not 걸어요), so 아주 must sit directly in front of 빨리.

For the full inventory of degree words and their nuances, see 아주 · 너무 · 정말: degree adverbs. A different placement default applies to sentential adverbs like 아마 ("probably") and 제발 ("please, I beg you"), which scope over the whole clause and typically stand clause-initially, agreeing with a matching ending (아마 … -(으)ㄹ 거예요) — those are covered in sentential stance adverbs.

A note on 자꾸 vs 자주, and 함께 vs 같이

Two pairs of near-synonyms cause trouble. 자꾸 means "repeatedly, over and over," usually with a nuance of persistence or mild annoyance ("keeps -ing"), while 자주 is neutral "often, frequently" — see frequency adverbs for the fuller set.

함께 and 같이 both mean "together"; 함께 is a touch more formal or written, 같이 more colloquial (and, remember, pronounced [가치]). They're interchangeable in most everyday sentences — the full comparison is on the with: 같이 vs 함께 page.

Common Mistakes

1. Placing the adverb after the verb. English SVO habit puts adverbs after verbs; Korean never does.

2. Putting the adverb after a command's verb. Same rule, imperatives included.

3. Using 자꾸 for neutral 'often'. 자꾸 carries a persistent/annoying nuance; neutral frequency is 자주.

4. Separating a degree adverb from the word it intensifies. 아주 must sit right before the word it modifies.

Key Takeaways

• Many high-frequency adverbs are lexical — learned as whole words, not derived: 잘, 자꾸, 함께/같이, 다, 또, 먼저, 곧, 빨리.
• The master rule: Korean adverbs are pre-modifiers — they go before their target and never after. ×먹어요 잘 is impossible.
• Word order is otherwise flexible (particles carry the roles), so an adverb can drift earlier, but its default, tightest slot is right before the predicate — closer to the predicate, tighter the scope.
• Degree adverbs (아주, 너무, 정말) sit immediately before the word they intensify (아주 빨리); watch 자꾸 vs 자주 and 함께 vs 같이.