trembling

Noun
  1. A shaky motion (synset 114028057)
    "the shaking of his fingers as he lit his pipe"
Adjective
  1. Vibrating slightly and irregularly;
    As e.g. with fear or cold or like the leaves of an aspen in a breeze (synset 302312246)
    "a quaking bog"; "the quaking child asked for more"; "quivering leaves of a poplar tree"; "with shaking knees"; "seemed shaky on her feet"; "sparkling light from the shivering crystals of the chandelier"; "trembling hands"

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