Usage Note
Positivo functions as both a general qualifier ('a positive attitude') and a medical/scientific term ('a positive test result'). The feminine form is positiva. Dar positivo means 'to test positive' for a substance or disease. It contrasts with negativo, and in informal speech positivo can be used as a standalone affirmative similar to 'affirmative' in radio-speak.
Examples
"El resultado de la prueba fue positivo."
Natural Translation
The test result was positive.
Related Words
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