Vietnamese cực kỳ and vô cùng both place a property at an emphatically high degree: “extremely,” “immensely,” or “profoundly.” They are stronger and more rhetorically committed than moderate hơi and khá, but they are not identical. Cực kỳ is the versatile high-degree intensifier of conversation and general prose; vô cùng is elevated and especially at home in formal gratitude, public emotion, and literary description.
The label absolute degree describes their position near the top of a contextually chosen scale. It does not mean that cực kỳ đẹp is a mathematically final degree that can never be exceeded. Speakers use both forms rhetorically and subjectively.
The neutral pattern: intensifier before the property
The default construction is:
subject + cực kỳ/vô cùng + property or state predicate
Nhân viên ở đây cực kỳ nhiệt tình.
The staff here are extremely helpful.
Chúng tôi vô cùng biết ơn sự giúp đỡ của bà con.
We are profoundly grateful for the community's help.
No copular là is required. Nhiệt tình and biết ơn are predicates; cực kỳ and vô cùng modify their degree directly. English requires are, but Vietnamese does not insert a linking verb before an ordinary property or state predicate.
The degree phrase also remains after a noun when it modifies that noun:
Đó là một quyết định cực kỳ khó khăn.
That is an extremely difficult decision.
Here là is grammatical because it introduces the noun phrase một quyết định cực kỳ khó khăn. It does not stand immediately before an adjectival predicate.
Cực kỳ: strong, flexible, and speaker-involved
Cực kỳ is common in (neutral) conversation, journalism, reviews, and explanatory writing. It strongly commits the speaker to the assessment. With a favorable property it gives emphatic praise; with an unfavorable one it gives emphatic warning or criticism.
Ứng dụng này cực kỳ tiện, nhất là khi đi du lịch.
This app is extremely convenient, especially when traveling.
Đường đèo ban đêm cực kỳ nguy hiểm, đừng đi một mình.
The mountain-pass road is extremely dangerous at night; don't travel it alone.
Tôi cực kỳ thích cách tác giả kết thúc câu chuyện.
I absolutely love the way the author ends the story.
The last example shows that cực kỳ is not restricted to dictionary “adjectives.” It also modifies gradable psychological predicates such as thích “like.” The relevant requirement is a state or attitude that can be understood as having degrees.
In emphatic (informal) speech, cực kỳ can follow the property, often together with luôn:
Chỗ ngồi sát cửa sổ đẹp cực kỳ luôn!
The seats by the window are absolutely gorgeous! (informal)
This postposed order is expressive rather than the safest neutral model. In careful exposition, prefer cực kỳ đẹp. Do not treat postposing as a license to move every preposed degree word: rất still belongs before its property in the ordinary pattern.
Vô cùng: elevated and unbounded in tone
Literally associated with “without end,” vô cùng gives an assessment an expansive, elevated tone. It is common in (formal) thanks, condolences, announcements, and solemn public language, and in (literary) descriptions of strong feeling.
Gia đình chúng tôi vô cùng thương tiếc báo tin...
Our family is deeply saddened to announce... (formal obituary language)
Nhà trường vô cùng trân trọng sự đóng góp của các tình nguyện viên.
The school greatly values the volunteers' contribution. (formal)
Đứng trước biển đêm, cô thấy lòng mình bình yên vô cùng.
Standing before the sea at night, she felt immensely peaceful. (literary)
Unlike cực kỳ, vô cùng is quite natural after a property in elevated or reflective prose: bình yên vô cùng, đẹp vô cùng, hạnh phúc vô cùng. Preposed vô cùng bình yên foregrounds the degree before naming the state; postposed bình yên vô cùng often lets the assessment unfold and culminate in the intensifier. Both are grammatical, but the postposed form can sound more literary or emotionally conclusive.
In casual talk, vô cùng is possible but may sound ceremonious if the situation is ordinary. A friend reviewing a noodle shop would normally choose cực kỳ ngon, ngon lắm, or ngon quá rather than vô cùng ngon unless the elevated tone is humorous or deliberate.
Degree is also stance and register
The following decision aid compares the main choices:
| Form | Approximate force | Typical register and stance |
|---|---|---|
| hơi đẹp | somewhat attractive | moderate, often understated or mildly unexpected |
| khá đẹp | quite attractive | measured and register-neutral |
| rất đẹp | very beautiful | strong, neutral default |
| đẹp lắm | very beautiful | strong and often conversationally engaged |
| cực kỳ đẹp | extremely beautiful | emphatic; conversation or general prose |
| vô cùng đẹp / đẹp vô cùng | immensely beautiful | elevated, formal, or literary |
The familiar structural contrasts remain useful:
- nhà đẹp: “beautiful house” or “the house is beautiful,” depending on context
- rất đẹp: preposed high degree
- đẹp lắm: postposed high degree
- đẹp hơn: comparative degree
- căn nhà nhỏ màu xanh: a noun followed by size and color descriptions
The final noun phrase belongs to the broader issue of modifier order, covered on Ordering Multiple Adjectives. The present choice is only the strength and placement of cực kỳ and vô cùng.
Avoid double intensification by accident
Because English permits expressions such as really very difficult, learners sometimes pile Vietnamese degree markers together. Standard neutral Vietnamese normally selects one marker for one scalar judgment:
Tình hình hiện nay cực kỳ phức tạp.
The current situation is extremely complex.
Not rất cực kỳ phức tạp, and not cực kỳ phức tạp lắm. Deliberate repetition and exaggeration occur in spontaneous speech, but they are discourse effects, not the basic grammar to copy into reports or essays.
Nor should an emphatic marker replace a precise measurement. In technical writing, nhiệt độ tăng 4°C “the temperature rose by 4°C” is more informative than nhiệt độ tăng cực kỳ cao. Cực kỳ and vô cùng express evaluation; numbers express measurement.
Stative predicates can still be framed in time
High degree does not turn a property expression into a noun. The property remains a predicate and can combine with suitable temporal framing:
Sau cơn mưa, không khí đang cực kỳ dễ chịu.
After the rain, the air is extremely pleasant right now.
Khi nghe kết quả, cả đội đã vô cùng xúc động.
When they heard the result, the whole team was deeply moved.
Đang makes the pleasant state explicitly current and temporary; đã locates the emotional state after the result became known. Not every stative predicate welcomes every aspect marker equally. Use aspect when the context supplies a current phase, transition, or temporal contrast—not as a compulsory equivalent of English tense.
The intensifier changes the social scene
A: Anh thấy khách sạn thế nào? B: Phòng khá đẹp, nhưng dịch vụ cực kỳ chậm. A: Thế thì mình đổi chỗ khác nhé. B: Ừ, em sẽ vô cùng biết ơn nếu không phải chờ thêm một tiếng nữa.
A: What do you think of the hotel? B: The room is quite nice, but the service is extremely slow. A: Then let's move somewhere else. B: Yes, I'd be profoundly grateful not to wait another hour.
Khá đẹp makes measured praise; cực kỳ chậm turns the delay into a serious complaint. The exaggerated formality of vô cùng biết ơn in the final line can be sincere or lightly humorous in conversation. Degree markers manage interpersonal stance as well as scale.
Key Takeaways
- Use cực kỳ + property as the versatile emphatic pattern in conversation and general prose.
- Use vô cùng + property or, in elevated prose, property + vô cùng for solemn, formal, or literary force.
- Keep property predicates copula-free, and choose one intensifier rather than stacking rất, cực kỳ, and lắm.
Common Mistakes
1. Inserting là before the high-degree predicate.
❌ Dịch vụ là cực kỳ chậm.
Incorrect as a neutral property statement: là does not introduce cực kỳ chậm.
✅ Dịch vụ cực kỳ chậm.
The service is extremely slow.
Cực kỳ chậm is already a stative predicate. Use là before a noun phrase, as in Đây là dịch vụ cực kỳ chậm “This is extremely slow service,” though that particular wording is contextually unusual.
2. Copying English adjective-before-noun order.
❌ Tôi không muốn thuê một cực kỳ nhỏ căn phòng.
Incorrect: the property phrase has been placed before the noun.
✅ Tôi không muốn thuê một căn phòng cực kỳ nhỏ.
I don't want to rent an extremely small room.
The degree marker stays with nhỏ, but the entire expression follows căn phòng.
3. Stacking competing intensifiers.
❌ Bài báo này rất cực kỳ quan trọng.
Incorrect in neutral Vietnamese: rất and cực kỳ compete for the same job.
✅ Bài báo này cực kỳ quan trọng.
This article is extremely important.
Choose rất for ordinary strong degree or cực kỳ for emphatic degree.
4. Treating rất and lắm as positionally interchangeable.
❌ Tin này lắm quan trọng.
Incorrect: lắm is not the ordinary pre-property intensifier.
✅ Tin này rất quan trọng.
This news is very important.
The alternative is Tin này quan trọng lắm, with lắm after quan trọng. A shared English gloss does not erase the Vietnamese word-order contrast.
5. Using elevated vô cùng where a measured judgment is needed.
❌ Mẫu thử dài vô cùng.
Poor technical style if an exact length is available: vô cùng makes a rhetorical, seemingly limitless claim.
✅ Mẫu thử dài 12,4 xăng-ti-mét.
The sample is 12.4 centimeters long.
In (academic) or technical prose, keep vô cùng for genuine evaluation and use measurements for reproducible facts.
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Start learning Vietnamese →Related Topics
- Moderation with Hơi and KháA2 — Use hơi and khá to make measured Vietnamese assessments while keeping degree words in their natural position around a property predicate.
- Ordering Multiple AdjectivesB1 — Arrange several Vietnamese property modifiers after the noun by semantic grouping, scope, and information focus instead of importing English adjective order.
- Property Words as Stative PredicatesA1 — Describe qualities directly with Vietnamese property predicates, without inserting là, and place degree words such as rất, lắm, hơi, and quá correctly.
- Posture PredicatesB1 — Use đứng, ngồi, nằm, and related Vietnamese predicates for bodily posture, object location, sustained activities, and metaphorical position.