# sonic

/ˈsɑnɪk/ (US) · /sˈɒnɪk/ (UK)

Source: https://englishreference.com/word/sonic
Updated: 2026-06-20

## Senses

### 1. relating to sound

adjective · CEFR B2 · Technical

relating to sound or the way sound waves move.

For teachers: relating to sound, sound waves, or the sense of hearing.

- The scientists used a sonic device to measure the depth of the water.
- The researchers employed advanced sonic imaging to map the seafloor without disturbing the local marine ecosystem.

Usage: Usually placed before the noun it modifies.

### 2. speed of sound

adjective · CEFR C1 · Technical

having a speed that is the same as or very close to the speed of sound.

For teachers: denoting a speed approximately equal to the speed of sound in a given medium, especially air.

- The jet created a loud noise when it reached sonic speeds.
- As the aircraft approached sonic velocity, the aerodynamic pressures on the airframe increased significantly.

Usage: Often used in technical contexts regarding aviation or physics.

## Examples

- The jet created a loud sonic boom.
- Engineers are testing a new sonic device that uses high-frequency sound waves to clean delicate jewelry.
- The artist's latest installation explores the sonic landscape of the city by recording and layering the ambient noises of various subway stations.

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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.