The definition of sigh is to take in or let out a breath loud enough to be heard.
(Intransitive) To recover one's breath or breathe easily following stress.
To inhale air or another gas:
Find another word for suspire. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for suspire, like: sigh, respire, breathe and take-a-breath.