Tremble
WordNet

noun


(1)   A reflex motion caused by cold or fear or excitement

verb


(2)   Move or jerk quickly and involuntarily up and down or sideways
"His hands were trembling when he signed the document"
WiktionaryText

Verb



  1. To shake, quiver, or vibrate.
    Her lip started to tremble as she burst into tears.

Verb



 
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