"Gasping out" is a common expression that refers to taking a sudden, sharp breath. However, there are a wide variety of synonyms that can be used to describe this action. A few examples might include "panting," "wheezing," or "huffing." Other synonyms might include "puffing," "sighing," or "puffing out." Regardless of which term is used, each of these synonyms helps to convey the sudden, sudden nature of taking a breath, and can be used to help add dramatic impact to various types of writing or speech. Whether one is writing fiction, poetry, or even just trying to describe a particularly intense moment, the right synonym for "gasp out" can help to add color and vibrancy to one's language.