Definition of quaver :
1. A shake, or rapid and tremulous vibration, of the voice, or of an instrument of music.
2. An eighth note. See Eighth.
3. Especially, to shake the voice; to utter or form sound with rapid or tremulous vibrations, as in singing; also, to trill on a musical instrument
4. To tremble; to vibrate; to shake.
5. To utter with quavers.
jounce, totter, fluctuate, warble, hesitate, sway, falter, vacillate, flitter, twitter, brandish, rock, flap, flicker, waver, weave, oscillate, repetition, thrill, waffle, reel, wave, swing, descant, joggle, flutter, yodel, eighth note, vibrate, tremble, trill
agitate (part of speech: verb)
- He rose, and in a shrill little quaver he bade her take his place. - "The Reclaimers", Margaret Hill McCarter.
- Mrs. Wix wailed it with a high quaver, then broke down into a long shudder of helplessness and woe. - "What Maisie Knew", Henry James.
- Banjo's voice had a quaver of earnestness in it that needed no daylight to enforce. - "The Rustler of Wind River", G. W. Ogden.