1. Short for "Submarino" (Submarine)
* Example: "Voy a comer un sándwich de sub." (I'm going to eat a sub sandwich.)
2. Short for "Subtitulo" (Subtitle)
* Example: "La película tiene subtítulos en español." (The movie has subtitles in Spanish.)
3. Short for "Substituir" (To substitute)
* Example: "Te puedo sub por el trabajo hoy." (I can sub for you at work today.)
4. Short for "Subway" (Subway)
* Example: "Vamos a comer en el sub." (Let's eat at Subway.)
5. As a prefix meaning "under" or "below"
* Example: "Subdirector" (Deputy director)
To understand the meaning of "sub" in a specific context, you need to consider the surrounding words and the overall sentence.