suspiration
/ˌsʌspəˈreɪʃən/
noun
- The act of sighing; a long, deep breath that shows a feeling such as relief, sadness, or tiredness.
- His suspiration of relief was audible when the test was over.
- With a deep suspiration, she sat down after a long day.
- The old man let out a soft suspiration as he remembered his youth.
Synonyms