quavering

/ˈkweɪvərɪŋ/
adjective
  1. Shaking or trembling, especially in a voice, due to emotion, fear, or weakness.
    • She gave a quavering apology, barely able to hold back tears.
    • The singer's quavering notes added a haunting beauty to the song.
    • The old man's quavering voice told the story of his youth.
Antonyms
What does "quavering" mean? | whatsthatwordmean | whatsthatwordmean