sigh

sigh /ˈsaɪ/ verb
sighs; sighed; sighing
sigh
/ˈsaɪ/
verb
sighs; sighed; sighing
Britannica Dictionary definition of SIGH
1 
[no object] : to take in and let out a long, loud breath in a way that shows you are bored, disappointed, relieved, etc.
2 
[no object] literary : to make a sound like sighing
3 
[+ object] : to say (something) with a sigh

— sigh

noun, plural sighs [count]
— often + of