# oscillating

/ˈɑsəˌɫeɪtɪŋ/ (US) · /ˈɒsɪlˌeɪtɪŋ/ (UK) · CEFR C1 · Verb

Source: https://englishreference.com/word/oscillating
Updated: 2026-05-26

## Definition

moving back and forth in a regular way, like a pendulum. It can also describe a value that keeps changing between two different levels.

For teachers: moving or varying between two states, values, or positions in a regular, rhythmic manner. Often describes physical motion or fluctuating data points.

## Examples

- The pendulum is oscillating slowly.
- The stock price has been oscillating between ten and twelve dollars for the last month.
- In physics, an oscillating system like a spring or a tuning fork returns to its equilibrium position after being displaced, following a predictable sine wave pattern.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.