fluctuate

/ˈflək-chə-ˌwāt/

Latin fluctuatus, past participle of fluctuare, from fluctus flow, wave, from fluere

verb

  1. to shift back and forth uncertainly

  2. to rise and fall in or as if in waves

  3. to cause to fluctuate

Oil prices fluctuated.

swing sway oscillate vibrate fluctuate waver undulate mean to move from one direction to its opposite. swing implies a movement of something attached at one end or one side. sway implies a slow swinging or teetering movement.