| Main Entry: | |
| Part of Speech: | verb |
| Definition: | shake, quiver |
| Synonyms: | beat, echo, fluctuate, flutter, jar, oscillate, palpitate, pulsate, pulse, quake, resonate, resound, reverberate, ripple, shiver, sway, swing, throb, tremble, tremor, undulate, wave, waver |
| Antonyms: | be still |
| Main Entry: | blow |
| Part of Speech: | verb |
| Definition: | make sound, usually with instrument |
| Synonyms: | blare, blast, honk, mouth, pipe, play, sound, toot, trumpet, vibrate |
| Main Entry: | drone |
| Part of Speech: | verb |
| Definition: | making noise continuously |
| Synonyms: | bombinate, buzz, chant, drawl, hum, intone, nasalize, purr, sound, strum, thrum, vibrate, whirr |
| Antonyms: | be quiet, silence |
| Main Entry: | echo |
| Part of Speech: | verb |
| Definition: | repeat, copy |
| Synonyms: | ape, ditto*, do like, go like, imitate, impersonate, make like, mimic, mirror, parallel, parrot, react, recall, redouble, reflect, reiterate, reproduce, resemble, resound, respond, reverberate, ring, rubber-stamp, second, vibrate |
| Main Entry: | flap |
| Part of Speech: | verb |
| Definition: | flutter |
| Synonyms: | agitate, beat, dangle, flail, flash, flop, hang, lop, shake, swing, swish, thrash, thresh, vibrate, wag, wave |
| Main Entry: | flicker |
| Part of Speech: | verb |
| Definition: | sparkle, flutter |
| Synonyms: | blare, blaze, blink, burn, dance, flare, flash, flit, flitter, fluctuate, glance, gleam, glimmer, glint, glitter, glow, hover, oscillate, quaver, quiver, scintillate, shimmer, swing, tremble, twinkle, vibrate, waver |
| Main Entry: | fluctuate |
| Part of Speech: | verb |
| Definition: | vacillate, change |
| Synonyms: | alter, alternate, be undecided, blow hot and cold, ebb and flow, flutter, go up and down, hem and haw, hesitate, oscillate, rise and fall, seesaw, shift, swing, undulate, vary, veer, vibrate, wave, waver, yo-yo |
| Antonyms: | hold, persist, remain, stay |
| Main Entry: | flutter |
| Part of Speech: | verb |
| Definition: | wave rapidly, flap |
| Synonyms: | agitate, bat, beat, dance, drift, flicker, flit, flitter, flop, fluctuate, hover, lop, oscillate, palpitate, pulsate, quaver, quiver, ripple, ruffle, shake, shiver, swing, throb, tremble, vibrate, wiggle, wobble |
| Main Entry: | jangle |
| Part of Speech: | verb |
| Definition: | make clinking noises |
| Synonyms: | chime, clank, clash, clatter, conflict, disaccord, discord, disharmonize, hit a sour note, jar, jingle, mismatch, rattle, vibrate |