waver

Từ điển American Heritage Dictionary 4th

wa·ver (wāʹvər)intr.v. wa·vered, wa·ver·ing, wa·vers
1. To move unsteadily back and forth. See Synonyms at swing.
2.
a. To exhibit irresolution or indecision; vacillate:
wavered over buying a house.
See Synonyms at hesitate.
b. To become unsteady or unsure; falter:
His resolve began to waver.
3. To tremble or quaver in sound, as of the voice or a musical note.
4. To flicker or glimmer, as light.n.
The act of wavering. [Middle English waveren. See webh- in Indo-European Roots.] waʹver·er n.waʹver·ing·ly adv.

• Từ đồng nghĩa / Synonyms:
  flutter, flicker, hesitation, falter, faltering, quaver, weave, flitter, quiver, fluctuate, vacillate, hesitate, waffle