How to Say "loner" in Spanish
The Spanish word for “loner” is “solitaria” — A2 level. This is a very common word in everyday Spanish.

Examples
Ella es una mujer muy solitaria y casi nunca sale.
She is a very solitary woman and almost never goes out.
Caminaba por una calle solitaria en medio de la noche.
She was walking down a lonely street in the middle of the night.
Me siento un poco solitaria desde que te fuiste.
I feel a bit lonely since you left.
Matching the Gender
This form ends in 'a' because it describes feminine things or people. If you were describing a man, you would use 'solitario'.
Solitaria vs. Sola
Mistake: “Using 'solitaria' when you just mean someone is by themselves.”
Correction: Use 'sola' for the state of being alone (physical) and 'solitaria' for a personality trait or a deep feeling of loneliness.
Related Translations
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