1) Betrayed weariness 2) Breathed deeply and heavily 3) Breathed wearily 4) Evinced nostalgia 5) Exhaled wistfully 6) Exhaled with feeling 7) Expressed sorrow or relief 8) Expressed wistfulness 9) Lamented audibly 10) Languished 11) Made a sad sound 12) Made a sound of relief 13) Said alas 14) Showed audible impatience Found on https://www.crosswordclues.com/clue/sighed