"Faint away" is a phrase used to describe a sudden loss of consciousness or a feeling of weakness or dizziness. Synonyms for this phrase include "pass out," "black out," "collapse," "swoon," or "faint." These words all describe a similar experience of suddenly losing consciousness or feeling extremely weak and disoriented. While the exact meaning may vary slightly depending on the word used, they all convey a sense of overwhelming physical or emotional duress. It is important to note that if you or someone you know experiences frequent episodes of fainting or feeling weak, it is important to seek medical attention to determine the cause and receive appropriate treatment.