Answer:

sigh

AnswerCrossword Clue
SIGH"Bunuel's "The Last .."
SIGHDeep breath
SIGHSound of relief
SIGHSound of lamentation
SIGHWistful sound
SIGHUnexpressed "Alas"
SIGHUnuttered "Alas"
SIGHSound of nostalgia
SIGHAct relieved
SIGHCharlie Brown's refrain
SIGHRelief outlet
SIGHIt might be heaved
SIGHSign of impatience
SIGHSound of exasperation
SIGHAudible relief
SIGHPine aloud
SIGH"Heaved" sound
SIGHExhale with relief
SIGHSurrendering sound
SIGHWorld-weary sound
SIGH[What a relief!]
SIGH[I give up]
SIGHIt's heaved in relief
SIGHTake a deep breath
SIGH"Alas!" accompaniment, maybe
SIGHNonverbal "Alas!"
SIGHExpression of boredom
SIGH[Isn't he a hunk?!]
SIGH[Woe is me]
SIGHSound of surrender
SIGHExasperated exhalation
SIGHSound of longing
SIGHSound of resignation
SIGH[Isn't he adorable?!]
SIGHYearn (for)
SIGHSorrowful sound
SIGHVoiced relief
SIGHExasperated sound
SIGH[Ah, me!]
SIGH[Alas!]