sigh
     n 1: an utterance made by exhaling audibly [syn: {suspiration}]
     2: a sound like a person sighing; "she heard the sigh of the
        wind in the trees"
     v 1: heave or utter a sigh; breathe deeply and heavily; "She
          sighed sadly" [syn: {suspire}]
     2: utter with a sigh
Source: WordNet® 2.0