• to sway, to swing, swung, to teeter
• flighty, fugacious, mercurial, precarious, sandy, shaky, unsound, unstable, unsteady, variable
• choppy, indecisive, infirm, slippery, unbalanced, unconfirmed, wavering, wobbling, wobbly
• immovable, immovable estate, property, realty, tenement
• to fluctuate, to oscillate, to swag, to teeter, to vacillate, to wabble, to waver, to wobble
• fluctuation, flutter, indecision, oscillation, range, swag, variation, wabble, wobble, wobbliness, wobbling
• shuttle, shuttle-service, shuttle-train
• alternating saw, reciprocating saw
• grogginess, instability, precariousness, shakiness, versatility