to move rhythmically and steadily to and fro, as a pendulum; oscillate.

to move to and fro or up and down quickly and repeatedly; quiver; tremble.

(of sounds) to produce or have a quivering or vibratory effect; resound.

to thrill, as in emotional response.

to move between alternatives or extremes; fluctuate; vacillate.

to cause to move rhythmically and steadily to and fro, swing, or oscillate.

to cause to move to and fro or up and down quickly and repeatedly; cause to quiver or tremble.

to give forth or emit by, or as by, vibration.

to measure or indicate by vibration or oscillation

a pendulum vibrating seconds.

verb

be still

verb

beat , echo , fluctuate , flutter , jar , oscillate , palpitate , pulsate , pulse , quake , resonate , resound , reverberate , ripple , shiver , sway , swing , throb , tremble , tremor , undulate , wave , waver , quaver , quiver , shudder , twitter , rock , agitate , brandish , flourish , librate , shake , thrill , trill , vacillate