Quavered is a word that describes a shaky or trembling voice. There are several synonyms for this word, including trembled, faltered, vibrated, wavered, shook, shuddered, and quivered. All of these words describe a voice that is unsteady and uncertain, often due to fear, nervousness, or emotional distress. Each of these synonyms can be used to add depth and nuance to your writing, whether you are describing a character's voice, a scene, or a particular emotion. By using synonyms for quavered, you can create a more vivid and evocative picture for your readers, capturing the subtle nuances of voice, emotion, and feeling.