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Thai

แน่นอน

Pronunciation

nɛ̂ɛnɔɔn

แน่นอน

nɛ̂ɛnɔɔn

certain

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  1. 1 certain、definite、settled、stable
  2. 2 definitely、certainly、for sure
  3. 3 of course、certainly

This word expresses certainty or the absence of doubt. It can describe something as certain or settled, emphasize that something will definitely happen, or serve as a confident “of course” in reply.

1

certain、definite、settled、stable

Adjective⭐️4 Often used

Describes a fact or outcome as certain, or a plan, date, or condition as firmly settled.

2

definitely、certainly、for sure

Adverb⭐️5 Essential

Adds strong confidence that an action, judgment, or predicted result is certain.

Show more (1)
3

of course、certainly

Interjection⭐️4 Often used

Used as a confident affirmative response to a question, request, invitation, or offer.

Show more (1)

Learning notes

Explanation

The core idea is that something is firmly established and leaves little or no room for doubt. When it describes a situation or noun, it means “certain,” “definite,” or “settled.” After a verb or clause, it strengthens the statement with the sense of “definitely” or “for sure.” Used by itself in a reply, it means “of course.” The negative form ไม่แน่นอน is especially common. Depending on context, it can mean “uncertain,” “not finalized,” “unpredictable,” or “unstable.” ยังไม่แน่นอน often means that something has not been decided yet or is not yet known. แน่นอน is standard in both conversation and writing. Add ครับ or ค่ะ for a polite affirmative response.

Usage

It is common when discussing whether plans or dates are settled, expressing confidence in a fact or prediction, and promising that you will do something. It also frequently appears as “of course” when accepting an invitation or request. The word is natural in both everyday conversation and workplace planning.

Caution

The scope of ไม่ can sometimes make a sentence ambiguous. For example, ฉันไม่ไปแน่นอน may be understood as either “I’m definitely not going” or “It isn’t certain that I’m going,” depending on context. Use ฉันไม่ไปอย่างแน่นอน for an unambiguous “I’m definitely not going,” and ยังไม่แน่ใจว่าจะไปไหม when you mean “I’m not sure yet whether I’ll go.”

Differences from similar words

1 certain synonyms

  • ชัดเจน means “clear” or “unambiguous,” especially when information can be readily understood. แน่นอน focuses instead on certainty or on something being firmly settled.

  • แน่ also means “sure” and is especially common in short conversational expressions. แน่นอน states certainty or definiteness more explicitly and works broadly in both speech and writing.

2 definitely synonyms

  • อย่างแน่นอน is the fuller adverbial form and is useful for emphasis or for avoiding ambiguity. แน่นอน alone usually conveys the same certainty more compactly.

  • แน่ๆ is a more conversational, emphatic way to say “definitely” or “for sure.” แน่นอน is also natural in everyday speech but fits formal and written contexts more easily.

3 of course synonyms

  • In response to a request, ได้ means “sure” or “I can,” directly granting permission or agreeing to do it. แน่นอน adds the stronger sense of an unhesitating “of course.”

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