wobble

Noun

• an unsteady rocking motion

Verb

• tremble or shake
  • His voice wobbled with restrained emotion
    

• move sideways or in an unsteady way
  • The ship careened out of control
    

• move unsteadily
  • His knees wobbled
    
  • The old cart wobbled down the street
    

Related words

• Synonyms: 
  shimmy , careen , shift , tilt , coggle