| Word | Definitions | Synonyms |
|---|---|---|
| tremor | (noun) an involuntary vibration (as if from illness or fear) | Synonyms: shudder |
| (noun) a small earthquake | Synonyms: earth tremor, microseism | |
| (noun) shaking or trembling (usually resulting from weakness or stress or disease) | - | |
| (verb) shake with seismic vibrations | Synonyms: quake |