intransitive verb

1. to take in and let out a long, deep, audible breath, esp. in expressing sorrow, relief, fatigue, longing, etc.
2. to make a sound like that of a sigh trees sighing in the wind
3. to feel longing or grief; yearn or lament (for)

Etymology: ME sighen, back-form. < sihten, pt. of siken < OE sican, to sigh: prob. echoic

transitive verb

1. to express with a sigh
2. to spend in sighing to sigh the day away
3. Rare to lament with sighing

noun