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Thai

ที่

Pronunciation

thîi

ที่

thîi

at

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  1. 1 at、in、to (a place)
  2. 2 that、which、who
  3. 3 place、spot、space、land、seat
  4. 4 that、the fact that、for doing、to do [ที่ จะ]
  5. 5 the ...th、number ...、ranked ...
  6. 6 seats、places、servings

ที่ is a core Thai word for locating something and linking information. It can mean a place, mark where something happens, connect a noun to a following description, turn a clause into a noun-like idea, or mark an ordinal number.

1

at、in、to (a place)

Preposition⭐️5 Essential

Marks the place where something is, happens, or goes to, much like “at,” “in,” “on,” or sometimes “to,” depending on the verb.

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2

that、which、who

Pronoun⭐️5 Essential

Introduces a following description of a noun, similar to “who,” “which,” or “that.” It works for people, things, places, and times.

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3

place、spot、space、land、seat

Noun⭐️5 Essential

Means a place, spot, area, or space. In context it can also mean land, a seat, or available room.

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4

that、the fact that、for doing、to do [ที่ จะ]

Conjunction⭐️5 Essential

Links a clause so it functions like a noun-like idea, often after expressions of feelings, thanks, apology, possibility, or reason.

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6

seats、places、servings

Classifier⭐️4 Often used

A classifier for seats, places, spaces, and servings, especially in reservations and food orders.

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Learning notes

Explanation

ที่ is one of the most important high-frequency Thai words. Start with its location uses: a noun meaning “place” and a preposition marking where something is or happens. Then learn its linking use in patterns like คนที่..., ของที่..., and สิ่งที่..., where it connects a noun to a following description. It is also common after thanks, apologies, and feelings, as in ขอบคุณที่... and ดีใจที่.... With numbers, ที่ marks ordinals; as a classifier, it counts seats, places, and servings.

Usage

You use ที่ when giving meeting places, saying where someone is, describing which person or thing you mean, giving the reason for thanks or apology, marking order or rank, and ordering seats or servings in restaurants.

Caution

Do not memorize ที่ as only one English word. It can correspond to “at,” “in,” “to,” “that,” “which,” “who,” or “the fact that,” depending on grammar. In relative clauses, Thai normally uses ที่, as in คนที่พูดภาษาไทย.

Differences from similar words

1 at synonyms

  • is formal and mostly written, used for locations or times. ที่ is the everyday choice in normal speech.

  • ใน emphasizes being inside something. ที่ is broader and simply locates an action, person, or thing at a place.

2 that synonyms

3 place synonyms

  • ที่ดิน specifically means land or real estate. ที่ can mean land too, but only when the context makes that clear.

  • สถานที่ is a fuller noun meaning “place” or “venue.” ที่ is more basic and appears widely by itself and inside compounds.

4 that synonyms

  • การที่ makes “the fact that...” more explicit and is common in explanations. ที่ is shorter and very natural after feelings, thanks, and apologies.

5 the ...th synonyms

  • ลำดับที่ explicitly means an order or ranking. ที่ is the simple marker placed before a number to form an ordinal.

Component words

Other words containing ที่

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