Some of the most useful things you can say about the world are lukewarm: not really, not particularly, not that great. Korean packs this into a small family of degree adverbs — chiefly 별로 and 그다지, with cousins 그리 and 딱히 — that all mean "not particularly / not that." Their defining feature is grammatical, not just semantic: they are negative-polarity items. They cannot stand alone in an affirmative sentence; they require a matching negation somewhere later in the clause. Miss that, and you produce a sentence no Korean speaker can accept.
The core rule: negative concord
별로 and 그다지 demand a following negative predicate — 안, -지 않다, 못, or an inherently negative verb like 없다. The adverb is fronted; the actual negation closes the clause; the two must agree. This is called negative concord: two elements, one negative meaning.
이거 별로 안 비싸요.
igeo byeollo an bissayo
This isn't that expensive.
그다지 어렵지 않아요.
geudaji eoryeopji anayo
It's not particularly hard.
저는 커피를 별로 안 좋아해요.
jeoneun keopireul byeollo an joahaeyo
I don't really like coffee.
Look at what the adverb is doing. It doesn't carry the negation itself — 별로 and 그다지 are not "not." They set up a negation and lean the whole sentence toward "not much," while the real "not" (안 / 않다) arrives later. Because Korean is verb-final, the negation lands at the very end, so the polarity adverb and its negation can sit several words apart yet still have to match.
그 식당은 별로 사람이 많지 않아요.
geu sikdangeun byeollo sarami manchi anayo
That restaurant doesn't have that many customers.
Here 별로 is near the front and 많지 않아요 ("not many") closes the clause — the concord stretches across the whole sentence, but the pieces belong together.
Working with inherently negative verbs
The closing negation doesn't have to be 안 or 않다. A verb that is already negative in meaning — above all 없다 ("not exist / not have") and 재미없다 ("be no fun") — satisfies the concord on its own.
그 영화는 별로 재미없었어요.
geu yeonghwaneun byeollo jaemieopseosseoyo
That movie wasn't very fun.
그다지 좋아하지 않아요.
geudaji joahaji anayo
I don't particularly like it.
재미없었어요 already contains 없다, so no extra 안 is needed — indeed ×별로 재미 안 있었어요 would be wrong. The rule is simply: some negative element must be present, whether it's a negation particle or a negative verb.
별로 standing alone: the verdict "meh"
Colloquially, 별로 has escaped its sentence and become a one-word verdict meaning "meh / not great." Here it takes the copula (별로예요) or just stands bare, and it's one of the most quietly useful words in casual Korean.
거기 별로예요.
geogi byeolloyeyo
That place is nothing special.
Ask a friend how the new café was and 별로 (or 별로였어) is a complete, faintly disappointed answer: "eh, not really."
The cousins: 그리 and 딱히
그리 is a slightly more measured, somewhat literary "not that / not so," following the same concord rule.
생각보다 그리 나쁘지 않아요.
saenggakboda geuri nappeuji anayo
It's not that bad, actually — better than I expected.
딱히 means "not particularly / nothing in specific" — it negates the idea that there's a specific reason, thing, or plan, and again pairs with a negation.
딱히 할 말이 없어요.
ttaki hal mari eopseoyo
I don't really have anything to say.
A note on scope: this is the degree angle
This page teaches 별로 / 그다지 as degree adverbs — "not to a great degree." They belong to a larger family of negative-polarity adverbs that also includes the absolute ones: 전혀 ("not at all"), 결코 ("never, by no means"), and 도무지 ("utterly not"). Those stronger items — and the full logic of Korean negative concord — live in the Negation group: see negative-polarity adverbs (전혀 and friends). For the two ways of forming the negation itself, see 안 vs -지 않다.
English → Korean: the "not" comes at both ends
English does the whole job with one word up front: "not really good," "not particularly hard." The negation sits once, early. Korean splits the work: the polarity adverb 별로 / 그다지 goes early to flag the negative lean, but the grammatical negation is obligatory and lands at the end. So "not really good" is not 별로 좋아요 (that's an open bracket) but 별로 안 좋아요 — the 안 is not optional emphasis, it is the part that actually makes the sentence negative. Train yourself to add the closing 안 / 않다 / 없다 automatically the moment 별로 leaves your mouth.
Common Mistakes
1. The bracket left open — 별로 with a bare affirmative. This is the signature error. 별로 must be closed by a negation.
❌ 이거 별로 좋아요.
igeo byeollo joayo
Ungrammatical — 별로 demands a negation. You can't pair it with plain 좋아요.
✅ 이거 별로 안 좋아요.
igeo byeollo an joayo
This isn't that good.
2. Same trap with 그다지 in the past tense. The negation is still required after "was."
❌ 그다지 재미있었어요.
geudaji jaemiisseosseoyo
Wrong — 그다지 needs a negative. Use the negative verb 재미없다.
✅ 그다지 재미없었어요.
geudaji jaemieopseosseoyo
It wasn't particularly fun.
3. Double-negating a verb that's already negative. 없다 satisfies the concord by itself — don't add another 안.
❌ 별로 재미 안 없어요.
byeollo jaemi an eopseoyo
Wrong — 재미없다 is already negative; adding 안 breaks it.
✅ 별로 재미없어요.
byeollo jaemieopseoyo
It's not really fun.
4. Mistaking 별로 for a booster like 정말. 별로 leans negative; it can never pair with a positive verdict.
❌ 이 책 별로 재미있어요.
i chaek byeollo jaemiisseoyo
Contradictory — 별로 pushes toward 'not much,' so it can't mean 'really fun.'
✅ 이 책 정말 재미있어요.
i chaek jeongmal jaemiisseoyo
This book is really fun. (booster, not a downtoner)
Key Takeaways
- 별로 / 그다지 = "not particularly / not really," and they are negative-polarity items: a matching negation (안 / -지 않다 / 못 / 없다) is obligatory.
- The polarity adverb is fronted; the negation closes the clause. They can sit far apart but must agree — ×별로 좋아요 is broken; 별로 안 좋아요 is correct.
- A negative verb like 없다 counts as the negation — don't add a second 안.
- 별로 also survives alone as the colloquial verdict "meh" (별로예요).
- The stronger absolutes (전혀, 결코, 도무지) and the full concord picture belong to the Negation group.
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Start learning Korean→Related Topics
- Intensifiers: 아주 / 매우 / 너무 (very, too)TOPIK 1 — The high-degree boosters 아주, 매우, 너무 and 정말/진짜 — including why 너무 has drifted from 'too much' to an all-purpose 'so/really', and how tone, not the word, tells you whether excess is meant.
- Comparative Degree: 더 / 덜 / 훨씬 (more, less, far)TOPIK 2 — Korean builds comparatives analytically — it never inflects the adjective. Stack 더 (more), 덜 (less), 훨씬 (far/much) or 제일·가장 (most) in front, and mark the standard of comparison with the particle 보다.
- Adverbs That Demand Negation: 전혀, 별로, 그다지, 도무지TOPIK 3 — Degree adverbs that are ungrammatical without a negative predicate somewhere in the clause — 전혀 'at all', 별로 'not really', 그다지 'not that much', 도무지/도저히 'no way' — and the polarity-agreement rule behind them.
- 안 vs -지 않다: Choosing Short or Long NegationTOPIK 1 — Both negate the same predicate with the same truth value — 안 가요 and 가지 않아요 both mean 'don't go' — so the real question is WHEN to use each. The heuristic: 안 is a light clitic that wants a short host; the longer or more formal the predicate, the more -지 않다 takes over.