Undulate

• POS: Adjective, Verb (usu participle)
• HYPHEN: un=du=late

CIDE DICTIONARY

Undulate, a. [L. undulatus undulated, wavy, a dim. from unda a wave; cf. AS. , Icel. unnr; perhaps akin to E. water. Cf. Abound, Inundate, Redound, Surround.].

 Same as Undulated.  [1913 Webster]

Undulate, v. t. 

 To cause to move backward and forward, or up and down, in undulations or waves; to cause to vibrate.  [1913 Webster]
"Breath vocalized, that is, vibrated and undulated."  [1913 Webster]

Undulate, v. i. 

 To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air.  [1913 Webster]

OXFORD DICTIONARY

Undulate, v. & adj.
--v. intr. & tr. have or cause to have a wavy motion or look.
--adj. wavy, going alternately up and down or in and out (leaves with undulate margins).

Derivative

undulately adv.

Etymology

LL undulatus f. L unda wave

THESAURUS

Undulate

alternate, bank, be here again, be poised, billow, brandish, break, circle, comb, come again, come and go, come around, come round, come round again, come up again, crab, crash, cycle, dash, dip, ebb and flow, feather, fishtail, flap, flaunt, float, flourish, flutter, fly, heave, intermit, lift, loop, oscillate, peak, plow, popple, porpoise, pull out, pull up, pulsate, pulse, push down, reappear, recur, reoccur, repeat, return, revolve, rise, rise and fall, roll, roll around, rotate, scend, send, shake, sideslip, skid, slidder, smash, snake, spin, spiral, stunt, surge, swell, swing, toss, turn, wag, wave, wheel, wheel around, wield, wigwag, yaw

ROGET THESAURUS

Undulate

Convolution

VB be convoluted, wind, twine, turn and twist, twirl, wave, undulate, meander, inosculate, entwine, intwine, twist, coil, roll, wrinkle, curl, crisp, twill, frizzle, crimp, crape, indent, scollop, scallop, wring, intort, contort, wreathe.

Oscillation

VB 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, pass and repass, ebb and flow, come and go, vacillate, teeter, brandish, shake, flourish.