tremulous
Her lip trembled as she spoke tremulously.
"Is that really you?" he called tremulously.
Looking up tremulously, he found himself staring into the Princess's face.

SMART Vocabulary: related words and phrases

Shaking, swinging and vibrating
brandish
earth-shaking
flap
flappy
flourish
fluff
fluff something up
reverberation
reverberative
ripple
rock-a-bye
shake out
shakily
sway
thrash
trembly
vibrate
vibration
vibratory
waggle

Examples of tremulously

tremulously
Your voice had become a phantom quavering tremulously on the edge of an abyss.
From Huffington Post
He listened for a moment tremulously, and heard distinctly long, heavy sighs from within.
From Project Gutenberg
He could only speak in a whisper and tremulously.
From Project Gutenberg
She rose in her place, and said tremulously that she must go.
From Project Gutenberg
For a moment she looked at him with almost unseeing eyes, and her lips moved tremulously, as if she would speak and could not.
From Project Gutenberg
The joy in her voice was tremulously plain.
From Project Gutenberg
They bent down, and watched tremulously for his fluttering breath.
From Project Gutenberg
The knowledge that he was lost came to him and that lower lip began to twitch tremulously.
From Project Gutenberg
After a pause, neither knew how long, he felt the warm fingers turn and clasp themselves tremulously about his own.
From Project Gutenberg
Tremulously he drew the bow across the middle string, his bloodless fingers moving slowly up and down.
From Project Gutenberg
He gulped, swallowed hard, hesitated, then went tremulously to pick up his stick.
From Project Gutenberg
Through the gap in the dark draperies a wan white hand appeared; waved tremulously a last farewell; and vanished from my view.
From Project Gutenberg
Sally smiled at him tremulously, adoringly, knowing full well that he had no plans at all beyond the all-important marriage ceremony.
From Project Gutenberg
She strove for silence; sought tremulously after coldness, but in vain.
From Project Gutenberg
She spoke all in a breath, tremulously, for she had considered him almost a dead man.
From Project Gutenberg
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.