| Main Entry: | undulate |
| Part of Speech: | verb |
| Definition: | rise and fall |
Synonyms: |
billow, flow, heave, oscillate, ripple, roll, surge, swell, swing, wave, wobble |
| Main Entry: | undulating |
| Part of Speech: | adjective |
| Definition: | wavy |
Synonyms: |
rolling, undulant, undulatory, waving |
| Main Entry: | beat |
| Part of Speech: | verb |
| Definition: | throb |
Synonyms: |
agitate, alternate, bob, bounce, buffet, flap, flicker, fluctuate, flutter, heave, jerk, jounce, oscillate, palpitate, pitch, pound, pulsate, pulse, quake, quaver, quiver, ripple, shake, shiver, swing, thrill, throb, thump, tremble, twitch, undulate, vibrate, writhe |
| Main Entry: | billow |
| Part of Speech: | verb |
| Definition: | surge |
Synonyms: |
balloon, belly, bloat, bounce, bulge, ebb and flow, heave, pitch, puff up, ripple, rise and fall, rise up, rock, roll, swell, toss, undulate, wave |
| Main Entry: | billowy |
| Part of Speech: | adjective |
| Definition: | surging |
Synonyms: |
bouncing, bouncy, bulgy, distended, ebbing and flowing, heaving, puffy, rippled, rippling, rising, rising and falling, rolling, swelling, swirling, swollen, undulating, waving, wavy |
| Main Entry: | crimp |
| Part of Speech: | verb |
| Definition: | fold or curl |
Synonyms: |
coil, crease, crimple, crinkle, crisp, crumple, flow, frizz, pleat, rimple, ruck, screw, scrunch, set, swirl, undulate, wave, wrinkle |
Antonyms: |
straighten |
| Main Entry: | curl |
| Part of Speech: | verb |
| Definition: | bend, loop |
Synonyms: |
buckle, coil, contort, convolute, corkscrew, crimp, crinkle, crisp, crook, curve, entwine, fold, form into ringlets, frizz, indent, kink, lap, meander, ringlet, ripple, roll, scallop, snake, spiral, swirl, turn, twine, twirl, twist, undulate, wave, wind, wreathe, writhe, zigzag |
Antonyms: |
straighten |
| 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: | hilly |
| Part of Speech: | adjective |
| Definition: | bumpy |
Synonyms: |
craggy, elevated, mountainous, rangy, rocky, rolling, rugged, sloping, steep, undulating, uneven |
| Main Entry: | oscillate |
| Part of Speech: | verb |
| Definition: | change back and forth |
Synonyms: |
be unsteady, dangle, fishtail, flicker, fluctuate, librate, lurch, palpitate, pendulate, pitch, pivot, reel, ripple, rock, roll, seesaw, stagger, sway, swing, switch, swivel, teeter, teeter-totter, thrash, toss, totter, undulate, vacillate, vary, vibrate, waddle, wag, waggle, waltz, wave, waver, whirl, wiggle, wobble |
| Notes: | oscillate means to be undecided about something or regularly swing from side to side, while osculate means to kiss or to come together - in mathematics it means to have three or more points coincident with |
Antonyms: |
remain, stay |