gasp
1. [ verb ] breathe noisily, as when one is exhausted
Synonyms: pant heave puff
Examples:

"The runners reached the finish line, panting heavily"

Related terms: blow panting huffing
2. [ noun ] a short labored intake of breath with the mouth open
Synonyms: pant
Examples:

"she gave a gasp and fainted"

Related terms: inhalation pant
Similar spelling:   gas_up