A momentary flash of light.

synonyms: glint, spark.

North American woodpecker.

The act of moving back and forth.

synonyms: flutter, waver.

Roget 315: agitation, stir, tremor, shake, ripple, jog, jolt, jar, jerk, shock, succussion^†, trepidation, quiver, quaver, dance; jactitation^†, quassation^†; shuffling etc. v.; twitter, flicker, flutter.    turbulence, perturbation; commotion, turmoil, disquiet; tumult, tumultuation^†; hubbub, rout, bustle, fuss, racket, subsultus^†, staggers, megrims, epilepsy, fits; carphology^†, chorea, floccillation^†, the jerks, St.    Vitus's dance, tilmus^†.    spasm, throe, throb, palpitation, convulsion.    disturbance, chaos etc. (disorder) 59; restlessness etc. (changeableness) 149.    ferment, fermentation; ebullition, effervescence, hurly-burly, cahotage^†; tempest, storm, ground swell, heavy sea, whirlpool, vortex etc. 312; whirlwind etc. (wind) 349.    ... show more

Dutch: flutter

Move back and forth very rapidly:
— The candle flickered.

synonyms: flitter, flutter, quiver, waver.

Roget 315: be agitated &c.; shake; tremble, tremble like an aspen leaf; quiver, quaver, quake, shiver, twitter, twire^†, writhe, toss, shuffle, tumble, stagger, bob, reel, sway, wag, waggle; wriggle, wriggle like an eel; dance, stumble, shamble, flounder, totter, flounce, flop, curvet, prance, cavort [U.S.]; squirm.    throb, pulsate, beat, palpitate, go pitapat; flutter, flitter, flicker, bicker; bustle.    ferment, effervesce, foam; boil, boil over; bubble up; simmer.    toss about, jump about; jump like a parched pea; shake like an aspen leaf; shake to its center, shake to its foundations; be the sport of the winds and waves; reel to and fro like a drunken man; move from post to pillar and from pillar to move from post to pillar and from pillar to post, drive from post to pillar and from pillar to drive from post to pillar and from pillar to post, keep between hawk and buzzard.    agitate, shake, convulse, toss, tumble, bandy, wield, brandish, flap, flourish, whisk, jerk, hitch, jolt; jog, joggle, jostle, buffet, hustle, disturb, stir, shake up, churn, jounce, wallop, whip, vellicate^†.    ... show more

Roget 420: shine, glow, glitter; glister, glisten; twinkle, gleam; flare, flare up; glare, beam, shimmer, glimmer, flicker, sparkle, scintillate, coruscate, flash, blaze; be bright etc. adj.; reflect light, daze, dazzle, bedazzle, radiate, shoot out beams; fulgurate.    clear up, brighten.    lighten, enlighten; levin^†; light, light up; irradiate, shine upon; give out a light, hang out a light; cast light upon, cast light in, throw light upon, throw light in, shed light upon, shed luster upon; illume^†, illumine, illuminate; relume^†, strike a light; kindle etc. (set fire to) 384.    ... show more

Roget 422: be dim, grow dim etc. adj.; flicker, twinkle, glimmer; loom, lower; fade; pale, pale its ineffectual fire [Hamlet]. render dim etc. adj.; dim, bedim^†, obscure; darken, tone down.    ... show more

Roget 149: fluctuate, vary, waver, flounder, flicker, flitter, flit, flutter, shift, shuffle, shake, totter, tremble, vacillate, wamble^†, turn and turn about, ring the changes; sway to and fro, shift to and fro; change and change about; waffle, blow with the wind (irresolute) 605; oscillate etc. 314; vibrate between, two extremes, oscillate between, two extremes; alternate; have as man phases as the moon.    ... show more

Roget 314: oscillate; vibrate, librate^†; alternate, undulate, wave; rock, swing; pulsate, beat; wag, waggle; nod, bob, courtesy, curtsy; tick; play; wamble^†, wabble^†; dangle, swag.    fluctuate, dance, curvet, reel, quake; quiver, quaver; shake, flicker; wriggle; roll, toss, pitch; flounder, stagger, totter; move up and down, bob up and down etc. adv.; pass and repass, ebb and flow, come and go; vacillate etc. 605; teeter [U.S.].    brandish, shake, flourish.    ... show more

Dutch: flakkeren

Shine unsteadily:
— The candle flickered.

synonym: flick.

Flash intermittently.

synonym: flick.