Synonyms of yo-yo

1 Syllable
flip, swaying, dolt, gay, mad, buoyant, swayed, yoyo
2 Syllables
fickle, waffling, dumdums, wavers, numbskull, faulting, waffle, sprightly, gorked, shifted, flaky, faulted, short-fuse, vary, dumdum, waver, gaga, shifting, ticklish, waffled, fickler, varies
3 Syllables
wavered, movable, mercurial, erratic, unstable, inconstant, variable, capricious, lubricious, retardo, fluctuating, mobile, quicksilver, retarded, fluctuate, spirited, resilient, lighthearted, changeable, lively, up-and-down, fluctuated, elastic, clodpate, vagarious
4 Syllables
impulsive, volatile, effervescent, permutating, humorsome, alternated, irregular, alternating, reposition, repositions, vacillate, bubbleheaded, unequable, expansive, vacillated
5 Syllables
repositioned, unpredictable, underachieving, irrepressible, repositioning