1. (v. i.) To inhale a larger quantity of air than usual, and immediately expel it; to make a deep single audible respiration, especially as the result or involuntary expression of fatigue, exhaustion, grief, sorrow, or the like.

2. (v. i.) Hence, to lament; to grieve.

3. (v. i.) To make a sound like sighing.

4. (v. t.) To exhale (the breath) in sighs.

5. (v. t.) To utter sighs over; to lament or mourn over.

6. (v. t.) To express by sighs; to utter in or with sighs.

7. (n.) A deep and prolonged audible inspiration or respiration of air, as when fatigued or grieved; the act of sighing.

8. (v. i.) Figuratively, a manifestation of grief; a lament.

Aqua-Lung ache artificial respiration aspirate aspiration asthmatic wheeze bark bated breath bawl bellow bemoan bewail blare blat blow blubber boom bray breath breath of air breathe breathe hard breathe in breathe out breathing breathy voice broken wind buzz cackle chant chirp coo cough crave crow deplore dirge drawl dream elegize exclaim exhalation exhale exhaust expel expiration expire exsufflation flute gasp give sorrow words grieve groan growl grunt gulp hack hanker hiccup hiss howl huff hunger inhalation inhalator inhale inspiration inspire insufflation iron lung keen knell lament lilt little voice low voice lust maffle moan moaning mourn mouth-to-mouth resuscitation mumble mumbling murmur murmuration murmuring mussitate mutter muttering oxygen mask oxygen tent pant pine pine for pipe puff repine respiration respire roar rumble scream screech scuba shriek sibilate sigh for sighing sing sing the blues snap snarl sneeze sniff sniffle snore snoring snort snuff snuffle sob sobbing sock soft voice sorrow sough soughing sound squall squawk squeal stage whisper sternutation stertor still small voice suspiration susurrate susurration susurrus thunder trumpet twang underbreath undertone wail warble weep over wheeze whine whining whisper whispering whistle wind yap yawp yearn for yell yelp