Verified Answer :

maryms1126

It is basically the word "sigh" like when someone takes a deep breath in and out and you can hear it. "Sighed" is the past tense version of "sigh". Here is an example of "sigh" and "sighed":
Molly really wanted to sigh because of how disappointed she was with her brother.
Molly sighed, disappointed by what her brother had done.

Hope this helped! :D

dollaboy001

A deep, prolonged audible inhale and exhale of breath; as when fatigued, frustrated, grieved, or relieved; the act of sighing.