How to Say "stealthy" in Spanish
The Spanish word for “stealthy” is “furtivo” — B2 level.

Examples
Le lanzó una mirada furtiva a su teléfono durante la cena.
She gave a stealthy look at her phone during dinner.
Tuvieron un encuentro furtivo en el parque a medianoche.
They had a secret meeting in the park at midnight.
El gato se acercó de manera furtiva a la paloma.
The cat approached the pigeon in a stealthy way.
Matching the word to the noun
Since this is a word used to describe something, it must change its ending. Use 'furtivo' for masculine items and 'furtiva' for feminine items.
Adding 'ly' to the word
If you want to say someone did something 'stealthily,' change the ending to 'a' and add 'mente': furtivamente.
Furtivo vs. Secreto
Mistake: “Using 'furtivo' for a simple secret like a surprise party.”
Correction: Use 'furtivo' when someone is trying to avoid being caught or seen. For a surprise party, just use 'secreto'.
Related Translations
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