Related Clues:

• "Heaved" sound
• [Isn't he dreamy?!]
• 4615
• Exhale with relief
• Nostalgic person's response
• Audible exhalation
• World-weary sound
• Surrendering sound
• [Ah, well]
• ''Ah, me!'' sound
• Unspoken 'alas'
• Yearning sound
• Sound wistful
• Express sorrow, in a way
• Breathe audibly