Something tremulous is shaky and quivering, usually from fear or lack of strength. If you're nervous at your first big job interview, your hands might be a little tremulous.

You’ve likely heard the unsteady voice of a person close to tears, or seen the trembling legs of a frightened child — both could certainly be described as tremulous. But you can also use this adjective to describe a statement or action that lacks resolution and courage, or even simply something that's shivering from the cold.

Definitions of tremulous

adj (of the voice) quivering as from weakness or fear

“spoke timidly in a tremulous voice”
subject to change or variation

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