flutter, flitter, quaver, falter, vacillate, flicker, fluctuate, hesitate, quiver, weave, more...

firm, steady, unwavering, resolute

flicker, flutter, pulsate, oscillate, vibrate, more...

slight, light, least, long, own, faithful, katelijne, sint, wild, white, gentle

be indecisive,   be undecided,   to hesitate,   to wave,   to be indecisive,   remain undecided,   to move hesitantly,   to falter,   lose resolve,   be unsteady