sonic

adjective

son·​ic ˈsä-nik 

1

: utilizing, produced by, or relating to sound waves

sonic altimeter

broadly : of or involving sound

sonic pollution

2

: having a frequency within the audibility range of the human ear

—used of waves and vibrations

3

: of, relating to, or being the speed of sound in air or about 761 miles per hour (1224 kilometers per hour) at sea level at 59°F (15°C)

sonically

ˈsä-ni-k(ə-)lē 

adverb

Did you know?

A sonic boom is an explosive sound created by a shock wave formed at the nose of an aircraft. In 1947 a plane piloted by Chuck Yeager burst the "sound barrier" and created the first sonic boom. In the decades afterward sonic booms became a familiar sound to Americans. (Because of steps that were eventually taken, sonic booms are rarely heard anymore.) Today sonic is often used by ambitious rock musicians to describe their experimental sounds.

Examples of sonic in a Sentence

Recent Examples on the Web

On its debut album, the Australian quartet weaves quietly arresting details and playful sonic touches into catchy, familiar noise-pop. — Ethan Beck, Pitchfork, 23 July 2026

Langley’s closest sonic predecessor, Kacey Musgraves, has long searched for transcendence—though in more woo-woo terms than Langley does, and with (on Musgraves’s lusty new album) the sort of neediness that often gets written off as cringe. — Spencer Kornhaber, The Atlantic, 23 July 2026

Unlike many sonic or rotating brushes that can feel harsh, the L1’s dual-action approach feels more like a professional treatment than a mechanical scrub. — Tanya Akim, Forbes.com, 22 July 2026

The project also broadens its sonic palette by inviting the largest group of collaborators Sylvan Esso has ever assembled for an album. — Spin Staff, SPIN, 21 July 2026

Word History

First Known Use

1918, in the meaning defined at sense 1

Phrases Containing sonic

• sonic barrier
• sonic boom

Rhymes for sonic

• chronic
• clonic
• conic
• phonic
• tonic
• anharmonic
• anionic
• avionic
• catatonic
• cationic
• chorionic
• cosmogonic

Kids Definition

sonic

adjective

son·​ic ˈsän-ik 

: using, produced by, or relating to sound waves

Medical Definition

sonic

adjective

son·​ic ˈsän-ik 

1

: having a frequency within the audibility range of the human ear

—used of waves and vibrations

2

: utilizing, produced by, or relating to sound waves

a sonic device used to rupture cell walls

sonically

-i-k(ə-)lē 

adverb