Guarantee in Thai

“Guarantee” in Thai is รับรองráp-rawng.

รับรอง ráp-rawng

to guarantee, to certify; I promise verb also in speech

ráp high
rawng mid

High: start high and go a little higher, a bit tense; don’t let it fall.

How to use it

รับรองráp-rawng is to guarantee or vouch for something. In conversation it's a friendly promise: รับรองว่าชอบráp-rawng wâa châwp, you'll love it, I promise. On paper it means "to certify": Thai offices ask you to sign every photocopy of your passport under รับรองสำเนาถูกต้องráp-rawng sǎm-nao tùuk-dtâwng, "certified true copy". A certificate or reference letter is หนังสือรับรองnǎng-sǔue ráp-rawng. Ads also use the English loanword การันตีgaa-ran-dtii, guarantee.

Other spellings you'll see

There's no single official way to write Thai in English letters. We mark the tone of every syllable; online you'll also find:

rap rong
rub rong
rab rong
raprong

More formal words in Thai

All formal words

การ gaan Kaan (prefix)
-ing, -tion: turns a verb into a noun (the act of …)
ความ kwaam Kwaam (prefix)
-ness (turns a verb or adjective into a noun)
ผู้ pûu Phu (prefix)
person (who …): makes words for people, like -er
นัก nák Nak (prefix)
-er, -ist: someone who does it (as a job or a passion)
ซึ่ง sûeng Who, which (formal)
which, who (adds information; formal, written)
เมื่อ mûea When (formal)
when, once (formal)

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Written by the Learn Thai For Free team
Audio: AI voices, quality-checked for tones