# undulating

/ˈəndʒəˌɫeɪtɪŋ/ (US) · /ˈʌndjʊlˌeɪtɪŋ/ (UK) · CEFR B2 · Verb

Source: https://englishreference.com/word/undulating
Updated: 2026-05-19

## Definition

moving in a smooth, wave-like pattern. You use this to describe things like hills, waves, or even a person's voice.

For teachers: moving or appearing in a series of gentle, regular waves or curves. Often describes physical landscapes or the rhythmic quality of sound.

## Examples

- The hills have an undulating shape.
- The undulating waves of the ocean crashed against the shore as the storm passed.
- The speaker's voice took on an undulating quality as she reached the climax of the speech, drawing the audience into a shared emotional experience.

---

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.