Cool, nice, great.
The Tico word for cool, used alongside "pura vida" and often with "mae."
One popular account traces it to malespín, a 19th-century Central American code language that swapped letters around — "bueno" scrambled into "tuani."
Reading a definition isn't the same as saying it to someone. Lingo Kaiava is a voice tutor set to Costa Rican Spanish — it uses tuanis the way locals do, corrects you in the moment, and never "fixes" the way real people actually talk into textbook Costa Rican Spanish.
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