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How to say Fever in Thai

Fever in Thai is ไข้ (khâi)

ไข้

khâi

Fever

ไข้
khâi
falling

Tap the word to hear it. That's real premium audio from the HearThai Academy library — the same audio the app teaches with.

Why ไข้ sounds the way it does

Thai tone isn't random — it's produced by four things working together in each syllable: the initial consonant's class, the vowel's length, whether the syllable ends live or dead, and any tone mark. Read the row, get the tone.

SyllableClassVowelEndingMarkTone
ไข้ HIGH LONG LIVE ◌้mai tho FALLING

ไข้ in a sentence

ไข้ทำให้เขาอ่อนเพลีย

Fever causes him to feel weak.

Common questions

How do you say fever in Thai?

Fever in Thai is ไข้, pronounced khâi. Play the audio above to hear it spoken by a premium Thai voice — the tones are the part that spelling can't teach you.

What tones does ไข้ use?

ไข้ has 1 syllable: ไข้ (khâi) is falling tone.

Is the romanization khâi enough to pronounce it?

No — and this is the trap most learners fall into. Romanization shows you the letters, not the pitch shape your voice has to make. Thai speakers hear the tone first. Use the spelling to recognize the word, and use the audio to learn it.

The short version

That's one word.

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