rhizoverbBeta
DictionaryoscillateBack-and-forth movement or change
verb

oscillate

AH-sih-layt/ˈɑːsɪleɪt/

To move or change repeatedly back and forth.

The pendulum oscillates beneath its fixed support, swinging left and right.

Pendulum bob swinging left and right beneath fixed support with subtle motion arc.
Etymology
oscillateLatinto swing

Latin “to swing” captures the repeated backward-and-forward motion. Its noun base is usually identified with a word for a small Bacchus mask hung in vineyards, the proposed connection being its swinging in the breeze.

In context

Leslie Guzman28:24
when the speed and the volume of this water flow are reduced it begins to oscillate as the flow becomes faster on one side than the other creating a meander
Shapes in Nature | Old Documentary | Natural Forms, Patterns, Shapes | Seashells, Plants & Animals

More examples

  • The pendulum oscillates steadily beneath the clock face.
  • Temperatures oscillate between warm afternoons and chilly nights.
  • She keeps oscillating between confidence and doubt.

Forms

oscillate · oscillates · oscillated · oscillating

oscillation noun — Repeated movement or change back and forth.

oscillatory adjective — Moving or changing repeatedly back and forth.

Similar words

sway
Suggests gentle side-to-side motion rather than any repeated change.
fluctuate
Describes changing levels or amounts, not necessarily regular reversals.
swing
Often suggests wider arcs or more pronounced changes.