oscillate

• Verbe désignant l'action de se mouvoir ou de balancer d'avant en arrière à une vitesse régulière, ou de fluctuer entre deux états, opinions ou extrêmes.

A verb used to indicate the act of moving or swinging back and forth at a regular speed, or varying between two states, opinions, or extremes.

1. Move back and forthB2formalscientific

   To move or swing repeatedly from side to side or between two positions.

   osciller

   • The pendulum oscillates with a regular rhythm.
   • The needle on the gauge oscillated wildly.
   • The fan oscillates to distribute air evenly.

   Synonymesfluctuaterockswayswingvibratewaver

2. Fluctuate or varyC1formal

   To vary between two extremes or opinions.

   Osciller, varier

   • His mood oscillates between joy and sadness.
   • The stock market oscillated throughout the day.
   • Public opinion oscillates on this controversial issue.

   Synonymesalternateditherfluctuateseesawswingteetervacillatevarywaver

   Antonymespersistremainstay