This is the 8586th most frequent Spanish word.
solo
"Solo" means "alone" or "only" in English, depending on context.
In this sentence, 'solo' means 'only', indicating a limitation or restriction in quantity.
Solo tengo dos libros en mi estantería.
I only have two books on my shelf.
Here, 'solo' means 'alone', describing a state of being without company.
Prefiero trabajar solo en proyectos importantes.
I prefer to work alone on important projects.
In this case, 'solo' means 'just or merely', portraying the action as insignificant or no more than suggested.