Need a shim, perhaps (6)
I believe the answer is:
wobble
(Other definitions for wobble that I've seen before include "Stand or move unsteadily" , "Move unsteadily, quiver" , "Shake" , "Totter" , "Move unsteadily from side to side" .)
I believe the answer is:
wobble
(Other definitions for wobble that I've seen before include "Stand or move unsteadily" , "Move unsteadily, quiver" , "Shake" , "Totter" , "Move unsteadily from side to side" .)