This is the 13910th most frequent Spanish word.
solas
"Solas" means "alone" or "by themselves" when referring to feminine plural subjects.
'Solas' describes the state of being alone, applying to the feminine plural subject of the sentence.
Se quedaron solas en la sala después de la reunión.
They stayed alone in the room after the meeting.
Here 'solas' means 'alone,' referring to the subject 'ellas' in feminine plural form.
Ellas prefieren viajar solas.
They prefer to travel alone.
'Solas' emphasizes the idea of being without other people, modifying the feminine group 'nosotras'.